Polk Audio PA D Series 5-Channel Class D Amplifier: Polk Audio PA Series Amplifiers - Power & Style Without Compromise The Polk PA Series amplifiers were conceived, designed & engineered to deliver premium audio with unparalleled detail & reliability. Polk Audio PA D5000.5 Features: 5-channel car amplifier 70 watts RMS x 4 + 200 watts RMS x 1 at 4 ohms 100 watts RMS x 4 + 400 watts RMS x 1 at 2 ohms 200 watts RMS x 2 in bridged mode at 4 ohms + 500 watts RMS x 1 at 1 ohm Variable gain, high-pass filter (40-400 Hz 12 dB/octave), and low-pass filter (80-4000 Hz, 12 dB per octave) for front channels Variable gain and high-pass filter (40-4000 Hz 12 dB/octave) for rear channels Variable gain, low-pass filter (40-220 Hz, 12 dB/octave) and subsonic filter (20-38 Hz) for subwoofer channel Wired remote subwoofer level control Preamp inputs Fuse rating: 40A x 2 4-gauge power and ground leads recommended — wiring and hardware not included with amplifier 14-1/8"W x 1-13/16"H x 6-3/4"D Small Amp That'll Power Your Whole System Polk's PA D5000.5 5-channel amplifier may be small, but it can power your complete system, sending 70 watts RMS to each of your front and rear speakers and up to 500 watts RMS to a sub. Or, you can switch this little beast to 3-channel mode to drive a couple high-level components with 200 watts RMS each and still have that 500 watts RMS left over for the bass. Best of all, this powerhouse will fit in almost any location in your vehicle because of its convenient size and shape. Handsome with A Clear Voice Polk's Class D amp technology helps this amp reproduce music very cleanly, with no added coloration or distortion. Adjustable high- and low-pass filters help you to tune your system, keeping bass away from full-range speakers and high notes away from subs.You'll find that the subsonic filter's a big help for tuning your sub in a ported enclosure. Polk includes a wired remote, so you can control the subwoofer level from your front seat. This amp's tough, good-looking stainless steel case won't tarnish, even in very humid conditions. What's In The Box: Five channel amplifier Remote bass level control 17' Remote bass level control cable Four 40 amp ATO fuses (2 installed/ 2 extra) Four 1" Self-tapping screws Owner's manual (English/ French/ Spanish/ German/ Italian/ Portuguese) On-line product registration information
Legendary Products & Support From Authorized Dealers
When you choose Polk Audio, you're choosing quality and performance. But just as important as what you buy is where you buy it from. Here's why purchasing from an authorized dealer is always the right choice:
▸ Expert Knowledge & Training
Only authorized Polk Audio dealers are factory-trained to sell and install our products. They have the expertise to ensure your purchase is set up correctly and meets your expectations.
▸ Authorized Warranty Protection:
We offer one of the best warranties in the industry, but only purchases made through authorized dealers are covered. Don't be misled by unauthorized sellers who can't provide genuine warranty support.
▸ Reliable Customer Support:
If you ever run into an issue, you're backed by Polk Audio's official manufacturer's warranty. No need to deal with overseas returns—our local team takes care of everything quickly and efficiently.
▸ Protect Your Investment:
Buying from an authorized dealer ensures you're getting genuine products, full warranty coverage, and expert support. Ask yourself—is saving a few dollars worth losing all that?
Choose wisely. Buy from an authorized Polk Audio dealer today!
Experience Big Sound in a Small Package with the ZXM500.4 Class-D Mini Amplifier The ZXM500.4 is an impressive Class-D 4-channel Mini Amplifier. The ZXM amplifiers are made to be as small as possible without compromising sound quality, power and functions. The ZXM500.4 is a 4-channel amplifier with a total power of 500W RMS. This equals 4x80W RMS in 4Ohm but the amplifier is stable into 2Ohm and then delivers 4x125W RMS. The 4 channels can also be bridged into 2x250W RMS in 4Ohm. The amplifier comes with adjustable HP/ LP filters and also a switch to use 2ch input or 4ch input low or high level. A high level of engineering has gone into making these amps with low EMI emissions to not interfere with the advanced electronics or FM signal. Introducing the ZXM500.4, a groundbreaking Class-D 4-channel Mini Amplifier that redefines the standards of power, performance, and compact design in audio amplification. The ZXM series is engineered with a paramount focus on delivering exceptional sound quality without compromise. The ZXM series is engineered with a paramount focus on delivering exceptional sound quality without compromise. The ZXM500.4, in particular, showcases an impressive total power output of 500W RMS, allowing you to experience a new auditory experience. Additionally, this versatile amplifier offers the flexibility of bridging the 4 channels to yield an impressive 2x250W RMS in 4Ohm, catering to diverse audio setups and preferences. In addition to its impressive technical specifications, the ZXM500.4 is designed with practicality in mind. Its ultra-small form factor facilitates effortless installation, making it an ideal choice for setups where space is at a premium. The AutoStart functionality on high-level input simplifies usage, ensuring hassle-free operation. From Full Class-D technology optimizing efficiency to exceptional signal-to-noise ratio and minimal distortion, the ZXM500.4's specs speak volumes about its commitment to top-tier audio performance. The ZXM500.4 doesn't compromise on safety either. It comes equipped with an array of protective measures, including short circuit, thermal, and high/low voltage protection, ensuring the longevity of the amplifier while prioritizing user safety. Beyond its exceptional power and performance, this amplifier boasts an engineering marvel by minimizing electromagnetic interference (EMI). This ensures that the amplifier operates without interference, preserving the integrity of advanced electronics and FM signals, maintaining audio quality. the ZXM500.4 stands as a pinnacle of innovation, engineering, and performance in the realm of Class-D amplifiers. With its compact size, staggering power output, advanced features and engineering, it elevates audio experiences to new heights. The ZXM500.4 is an impressive Class-D 4-channel Mini Amplifier. The ZXM amplifiers are made to be as small as possible without compromising sound quality, power and functions. The ZXM500.4 is a 4-channel amplifier with a total power of 500W RMS. This equals 4x80W RMS in 4Ohm but the amplifier is stable into 2Ohm and then delivers 4x125W RMS. The 4 channels can also be bridged into 2x250W RMS in 4Ohm. The amplifier comes with adjustable HP/ LP filters and also a switch to use 2ch input or 4ch input low or high level. Phoenix Gold ZXM500.4 Features: Massive Power & Performance Full Class-D technology offers efficiency & performance Short circuit/thermal and high/low voltage protection Excellent signal-to-noise ratio and FM noise rejection Built-in protection LED light status indicator Surface mount component technology Ultra small size for easy installation Autostart on high-level input Full adjustable HP & LP filter Phoenix Gold ZXM500.4 Specifications: Class-D 4-Channel Mini Amplifier Power (MAX) 1000W Power Ratings (RMS) 125W x 4 @ 2Ohm 80W x 4 @ 4Ohm 250W x 2 @ 4Ohm bridged Frequency Response: 20Hz – 20kHz Signal to Noise Ratio: > 90dB Total Harmonic Distortion: < 0.3% Low Pass Filter: 40Hz – 400Hz (12dB/Oct) High Pass Filter: 40Hz – 400Hz (12dB/Oct) High-Level Input Auto Turn-On Dimensions (LxWxH) 165 x 83.1 x 34.8mm
Legendary Products & Support From Authorized Dealers
When you choose Phoenix Gold, you're choosing quality and performance. But just as important as what you buy is where you buy it from. Here's why purchasing from an authorized dealer is always the right choice:
▸ Expert Knowledge & Training
Only authorized Phoenix Gold dealers are factory-trained to sell and install our products. They have the expertise to ensure your purchase is set up correctly and meets your expectations.
▸ Authorized Warranty Protection:
We offer one of the best warranties in the industry, but only purchases made through authorized dealers are covered. Don't be misled by unauthorized sellers who can't provide genuine warranty support.
▸ Reliable Customer Support:
If you ever run into an issue, you're backed by Phoenix Gold's official manufacturer's warranty. No need to deal with overseas returns—our local team takes care of everything quickly and efficiently.
▸ Protect Your Investment:
Buying from an authorized dealer ensures you're getting genuine products, full warranty coverage, and expert support. Ask yourself—is saving a few dollars worth losing all that?
Choose wisely. Buy from an authorized Phoenix Gold dealer today!
Proud to Be Loud!
Orion XTR amplifier 4 channel 500 watts RMS.
Legendary Products & Support From Authorized Dealers
When you choose Orion, you're choosing quality and performance. But just as important as what you buy is where you buy it from. Here's why purchasing from an authorized dealer is always the right choice:
▸ Expert Knowledge & Training
Only authorized Orion dealers are factory-trained to sell and install our products. They have the expertise to ensure your purchase is set up correctly and meets your expectations.
▸ Authorized Warranty Protection:
We offer one of the best warranties in the industry, but only purchases made through authorized dealers are covered. Don't be misled by unauthorized sellers who can't provide genuine warranty support.
▸ Reliable Customer Support:
If you ever run into an issue, you're backed by Orion's official manufacturer's warranty. No need to deal with overseas returns—our local team takes care of everything quickly and efficiently.
▸ Protect Your Investment:
Buying from an authorized dealer ensures you're getting genuine products, full warranty coverage, and expert support. Ask yourself—is saving a few dollars worth losing all that?
Choose wisely. Buy from an authorized Orion dealer today!
Designed to Be a True Worldwide Product! Orion 700W 4-channel XTR series A/B stereo amplifier. Specifications: RMS Power Rating: ¢ 4 ohms: 65 watts x 4 chan. ¢ 2 ohms: 90 watts x 4 chan. ¢ Bridged, 4 ohms: 180 watts x 2 chan. Max power output: 700 watts Pulse Width Modulated MOSFET power supply LED power (green) and protect (red) indicators Variable Bass Boost (0 to +12 dB bass boost at 50 Hz) Soft start turn-on/turn-off Bass boost circuit with tri-mode capabilities Preamp RCA outputs to daisy chain multiple amps 3-way protection circuitry (thermal, overload, and speaker short protection) Dual speaker terminals simplify the hookup of multiple speakers Heavy duty aluminum alloy heat-sink for extreme heat dissipation Variable high-pass filter (50-400 Hz, 12 dB/octave) Variable low-pass filter (50-400 Hz, 12 dB/octave) Heavy duty gauge direct-wire with high current power and speaker terminals CEA-2006 compliant amplifier Dimensions: 9-5/16"D x 10-1/8"L x 2-1/2"H
Legendary Products & Support From Authorized Dealers
When you choose Orion, you're choosing quality and performance. But just as important as what you buy is where you buy it from. Here's why purchasing from an authorized dealer is always the right choice:
▸ Expert Knowledge & Training
Only authorized Orion dealers are factory-trained to sell and install our products. They have the expertise to ensure your purchase is set up correctly and meets your expectations.
▸ Authorized Warranty Protection:
We offer one of the best warranties in the industry, but only purchases made through authorized dealers are covered. Don't be misled by unauthorized sellers who can't provide genuine warranty support.
▸ Reliable Customer Support:
If you ever run into an issue, you're backed by Orion's official manufacturer's warranty. No need to deal with overseas returns—our local team takes care of everything quickly and efficiently.
▸ Protect Your Investment:
Buying from an authorized dealer ensures you're getting genuine products, full warranty coverage, and expert support. Ask yourself—is saving a few dollars worth losing all that?
Choose wisely. Buy from an authorized Orion dealer today!
Designed to Be a True Worldwide Product! Orion 2400W 4-channel XTR series class A/B stereo amplifier. Specifications: RMS Power Rating: ¢ 4 ohms: 200 watts x 4 chan. ¢ 2 ohms: 300 watts x 4 chan. ¢ Bridged, 4 ohms: 600 watts x 2 chan. Max power output: 2400 watts Pulse Width Modulated MOSFET power supply LED power (green) and protect (red) indicators Variable Bass Boost (0 to +12 dB bass boost at 50 Hz) Soft start turn-on/turn-off Bass boost circuit with tri-mode capabilities Preamp RCA outputs to daisy chain multiple amps 3-way protection circuitry (thermal, overload, and speaker short protection) Dual speaker terminals simplify the hookup of multiple speakers Heavy duty aluminum alloy heat-sink for extreme heat dissipation Variable high-pass filter (50-400 Hz, 12 dB/octave) Variable low-pass filter (50-400 Hz, 12 dB/octave) Heavy duty gauge direct-wire with high current power and speaker terminals CEA-2006 compliant amplifier Dimensions: 9-5/16"D x 17-7/16"L x 2-1/2"H
Legendary Products & Support From Authorized Dealers
When you choose Orion, you're choosing quality and performance. But just as important as what you buy is where you buy it from. Here's why purchasing from an authorized dealer is always the right choice:
▸ Expert Knowledge & Training
Only authorized Orion dealers are factory-trained to sell and install our products. They have the expertise to ensure your purchase is set up correctly and meets your expectations.
▸ Authorized Warranty Protection:
We offer one of the best warranties in the industry, but only purchases made through authorized dealers are covered. Don't be misled by unauthorized sellers who can't provide genuine warranty support.
▸ Reliable Customer Support:
If you ever run into an issue, you're backed by Orion's official manufacturer's warranty. No need to deal with overseas returns—our local team takes care of everything quickly and efficiently.
▸ Protect Your Investment:
Buying from an authorized dealer ensures you're getting genuine products, full warranty coverage, and expert support. Ask yourself—is saving a few dollars worth losing all that?
Choose wisely. Buy from an authorized Orion dealer today!
High-Performance Multi-Channel Class D Amplifier from JBL!
Class D DesignEvery Stadium amplifier, including the full-range models, features high-efficiency Class D topology. This technology allows JBL to engineer amplifiers that are more compact, generate less heat, and draw less current from the vehicle’s electrical system.
Low DistortionJBL Stadium amplifiers have been engineered to deliver the lowest distortion possible, enhancing the audio experience regarldess of output level.
Full On-Board ProtectionJBL Stadium amplifiers have on-board circuitry to protect from shorts, temperature, overvoltage and undervoltage. An LED indicator is included on all five models to let the user know when one of these conditions exists.
Proprietary High-Conductivity TerminalsAll JBL Stadium amplifiers come equipped with newly introduced E.A.R.L terminal for better grounding. For 5-channel and mono amplifiers, adapter connector is available in the box for easy installation.
Compact footprintWith it becoming more and more difficult to find spacious locations for amplifier mounting, JBL Stadium amplifiers have been developed in a small compact form factor to allow more location versatility.
Sleek designSometimes, an amp can be as stylish as it is powerful. JBL Stadium amplifiers have a clean, streamlined industrial design.
Full-Range Line OutputsThe full-range Stadium amplifiers (Stadium 5, Stadium 4 and Stadium 2) include full-range line outputs. This allows the audio signal to be routed to additional amplifiers or self-powered subwoofer solutions, increasing your system configuration options.
Uncover Great Sound (The Unveiling of Sound)Stadium mono and full-range, multi-channel amplifiers deliver the efficiency and power you expect from Class D amplifiers – and the performance you expect from JBL. The comprehensive all new E.A.R.L terminal and power adapter (5-channel & mono block) enables easy installation and optimized performance. For the 5-channel and mono amplifier models, the remote bass control allows the user to increase and decrease bass output independent of head unit tone controls. The industrial design not only provides an elegant look, but also enhances power dissipation to ensure long term reliability. Stadium amplifiers give you power to shape your car audio experience in new ways.
JBL Stadium 5 Specifications:
JBL Stadium 5
Class-D Full Range 4-Ohm Stable 5-Channel Amplifier
RMS Power Rating:
4 ohms: 75 watts x 4 chan. (200 watts x 1 chan.)
2 ohms: 100 watts x 4 chan. (350 watts x 1 chan.)
1 ohm: _ watts x _ chan.
1 ohm: ————N/A————
Bridged, 4 ohms: 200 watts x 2 chan. (350 watts x 1)
Total power output: 2300 watts
CEA-2006 Compliant Amplifier
Pulse Width Modulated MOSFET power supply
Wired remote bass level control included
LED power (green) and protect (red) indicators
Soft start turn-on
EARL Ground Terminal and Power Block
5/4/3/2 channel operation
Speaker-level (high-level) inputs
Preamp RCA outputs to daisy chain multiple amps
3-way protection circuitry (thermal, overload, and speaker short protection)
Dual speaker terminals simplify the hookup of multiple speakers
Heavy duty aluminum alloy heat-sink for extreme heat dissipation
Input sensitivity: 0.2V – 2V
Frequency Response: 10 – 320 Hz
Total Harmonic Distortion (THD): 0.01%
Signal to Noise Ratio: 80dB
Variable high-pass filter: 32 – 320 Hz, 12 dB/octave
Variable low-pass filter: 32 – 320 Hz, 12 dB/octave
Variable Bass Boost: 0 to +9 dB bass boost at 45 Hz
Fuse Rating: 30 A x 3
4 gauge power and ground wiring is recommended for installation
Power Specifications – Full Range Channels
RMS Power @ 4 ohms 75 watts x 4 channel
RMS Power @ 2 ohms 100 watts x 4 channel
Bridged RMS Power 200 watts x 2 channel
Power Specifications – Subwoofer Channel
RMS Power @ 4 ohms 200 watts x 1 channel
RMS Power @ 2 ohms 350 watts x 1 channel
RMS Power @ .5 ohm
Power Specifications – Subwoofer Channel
Peak Power @ .5 ohm
Amplifier Specifications
Amplifier Series JBL Stadium Series
Marine Certified No
Amplifier Class D
Number of Channels 5
Total Peak Power Output 2300 watts
Maximum Input Gauge Size 4 AWG
Minimum Impedance Unbridged 2 ohms
Minimum Impedance Bridged 4 ohms
Speaker Level Inputs Yes
Preamp Outputs 1 pair
Built-in Crossover Low-Pass (LP), High-Pass (HP)
High-Pass Crossover Frequency 32 – 320 Hz
Low-Pass Crossover Frequency 32 – 320 Hz
Signal-to-Noise Ratio 80 dB
Bass Boost 0 – 9 dB
Remote bass/level controller Yes
Fan Cooled No
Fuse Rating 30A x 3
Total Fuse Rating 90
Strappable No
CEA-2031 Compliant Yes
Amp Bluetooth Connectivity No
Hi-Res Certified No
What’s in the box:
Amplifier
Wired gain knob (wire attached)
Mounting screws (4)
Three spare fuses
User manual
Legendary Products & Support From Authorized Dealers
When you choose JBL, you're choosing quality and performance. But just as important as what you buy is where you buy it from. Here's why purchasing from an authorized dealer is always the right choice:
▸ Expert Knowledge & Training
Only authorized JBL dealers are factory-trained to sell and install our products. They have the expertise to ensure your purchase is set up correctly and meets your expectations.
▸ Authorized Warranty Protection:
We offer one of the best warranties in the industry, but only purchases made through authorized dealers are covered. Don't be misled by unauthorized sellers who can't provide genuine warranty support.
▸ Reliable Customer Support:
If you ever run into an issue, you're backed by JBL's official manufacturer's warranty. No need to deal with overseas returns—our local team takes care of everything quickly and efficiently.
▸ Protect Your Investment:
Buying from an authorized dealer ensures you're getting genuine products, full warranty coverage, and expert support. Ask yourself—is saving a few dollars worth losing all that?
Choose wisely. Buy from an authorized JBL dealer today!
Rockford Fosgate R2-750X5 Prime 750 Watt 5-Channel Full-Range Class-D Car Amplifier
A 750W 5-channel Full-Range Class-D car amplifier delivering 100W x 4 plus 350W x 1 at 2-ohm (CTA-2006 rated). Features independent front, rear, and subwoofer channel crossover control, Continuously Variable Punch EQ, variable infrasonic filter, C.L.E.A.N. gain calibration with per-channel output clip indicators, Rollback Protection, NOMAD speaker protection, RLC remote level control, and 2/4/5 channel input selection. Designed and engineered in Tempe, Arizona. Backed by a 1 year warranty.
Product Overview
The Rockford Fosgate R2-750X5 is a 750W 5-channel Full-Range Class-D car amplifier from the Prime R2 series, providing a complete single-amplifier solution for powering both car speakers and a subwoofer from the one unit. Rated continuous power is 50W x 4 plus 200W x 1 at 4-ohm, or 100W x 4 plus 350W x 1 at 2-ohm (CTA-2006, less than 1.0% THD+N). Dynamic power via PowerCube reaches 70W x 4 plus 241W x 1 at 4-ohm, and 114W x 4 plus 426W x 1 at 2-ohm. The front and rear full-range channels can also be bridged to 200W x 2 at 4-ohm.
The R2-750X5 provides fully independent crossover control for the front, rear, and subwoofer channels, each with their own high-pass and low-pass crossover adjustments at 12dB/octave Butterworth (50Hz-250Hz) plus a variable infrasonic filter on the subwoofer channel (15Hz-40Hz). A 2/4/5 channel input selection switch enables flexible integration with source units providing different numbers of RCA outputs, working for both RCA and high-level inputs. Three dedicated sets of RCA and high-level inputs cover front, rear, and subwoofer channels separately, with independent gain adjustment per channel group.
C.L.E.A.N. (Calibrated Level Eliminates Audible Noise) provides independent input and output clip indicators for front, rear, and subwoofer channel groups. A Continuously Variable onboard Punch EQ delivers up to 18dB of bass boost at 45Hz on the subwoofer channel. An RLC remote level control is included for in-cabin subwoofer volume adjustment. Rollback Protection, NOMAD speaker protection, and MEHSA4 heat management are all active. Cast aluminium heatsink with convection cooling. Designed and engineered in Tempe, Arizona.
Features & Benefits
Complete 5-Channel Car Audio System in One Amplifier: The R2-750X5 powers front speakers, rear speakers, and a subwoofer from a single unit, making it a space-efficient and cost-effective solution for full car audio builds without the need for two separate amplifiers.
Independent Crossover Control for Each Channel Group: Front, rear, and subwoofer channel groups each have independent high-pass and low-pass crossover controls at 12dB/octave Butterworth (50Hz-250Hz), plus a variable infrasonic filter (15Hz-40Hz) on the subwoofer channel and independent gain adjustment per group.
2/4/5 Channel Input Selection Switch: The input selection switch allows the R2-750X5 to integrate with source units providing 2, 4, or 5 channels of RCA output, working for both RCA and high-level inputs, removing the need for Y-cables in installations with fewer RCA outputs.
Continuously Variable Punch EQ - Up to 18dB at 45Hz: The onboard Punch EQ provides up to 18dB of continuously adjustable bass boost at 45Hz on the subwoofer channel, enabling subwoofer output to be tuned to the acoustic environment without a separate EQ or DSP.
Variable Infrasonic Filter - 15Hz to 40Hz Tunable: The subwoofer channel infrasonic filter is tunable from 15Hz to 40Hz at 12dB/octave, providing precise low-frequency protection across different subwoofer drivers and enclosure types.
C.L.E.A.N. Technology - Per-Channel Clip Monitoring: C.L.E.A.N. provides separate input and output clip indicator LEDs for front, rear, and subwoofer channel groups independently, enabling accurate gain calibration across all five channels.
RLC Remote Level Control Included: An RLC remote level control is included for in-cabin subwoofer output adjustment without returning to the amplifier.
Rollback Protection and NOMAD Speaker Protection: Rollback Protection dynamically manages output to prevent thermal stress on output devices during sustained high-output conditions. NOMAD provides real-time protection against shorted speaker wires and dangerously low impedances.
Technical Specs
Specification
Detail
SKU
R2-750X5
Number of Channels
5 (4 full-range + 1 subwoofer)
Total Power
750W
Rated Power - 4-ohm (CTA-2006, less than 1.0% THD+N)
50W x 4 + 200W x 1
Rated Power - 2-ohm (CTA-2006, less than 1.0% THD+N)
100W x 4 + 350W x 1
Rated Power - 4-ohm Bridged (CTA-2006)
200W x 2 (full-range channels)
Dynamic Power - 4-ohm (PowerCube)
70W x 4 + 241W x 1
Dynamic Power - 2-ohm (PowerCube)
114W x 4 + 426W x 1
Dynamic Power - 4-ohm Bridged (PowerCube)
234W x 2 (full-range channels)
Circuit Topology
Full-Range Class-D
Bridgeable
Yes (full-range channels)
Frequency Response
20 Hz - 20 kHz
THD + Noise
Less than 1.0% at 4-ohm and 2-ohm (all channels)
Input Sensitivity
Low-Level: 150mV - 4V / High-Level: 450mV - 12V
Signal Input
Front: 2 x RCA + 4-Pin Molex / Rear: 2 x RCA + 4-Pin Molex / Sub: 2 x RCA + 4-Pin Molex
Input Selection
2/4/5 Channel Switch (RCA and High-Level)
Tone Controls
Punch EQ: 0 to +18dB at 45Hz (Continuously Variable, Sub channel)
Front High-Pass Crossover
50 Hz - 250 Hz at 12dB/Octave Butterworth
Front Low-Pass Crossover
50 Hz - 250 Hz at 12dB/Octave Butterworth
Rear High-Pass Crossover
50 Hz - 250 Hz at 12dB/Octave Butterworth
Rear Low-Pass Crossover
50 Hz - 250 Hz at 12dB/Octave Butterworth
Sub Low-Pass Crossover
50 Hz - 250 Hz at 12dB/Octave Butterworth
Sub Infrasonic Filter
15 Hz - 40 Hz at 12dB/Octave Butterworth (Variable)
Remote Controls
Yes (RLC Remote Level Control included)
Power Wire Gauge
4 AWG
Power Input Connector
Compression Terminal Block
Speaker Wire Gauge
8 AWG
Speaker Output Connector
Compression Terminal Block
Cooling
Convection
Heatsink
Cast Aluminium
Operating Voltage
9 - 16 VDC
Recommended Fuse (not included)
120A
Max Current Draw at 13.8V Sinewave
71A
Visual Indicators
Power: Blue / Protect: Red / C.L.E.A.N. In: Red / C.L.E.A.N. Out Front, Rear, Sub: Blue/Red
Dimensions (H x W x D)
49 x 173 x 285mm (1.9 x 6.8 x 11.2 inch)
CTA-2006 Compliant
Yes
Warranty
1 Year
Compatible With / Goes Well With
The R2-750X5 suits a wide range of car audio installations requiring a single-unit 5-channel amplifier solution for speakers and a subwoofer. The 2/4/5 channel input switch makes it compatible with most factory and aftermarket source units.
Goes Well With:
R2D2-12 / R2D2-10 - Rockford Fosgate Prime R2 series subwoofers, a matched Prime series pairing for the subwoofer channel
R2-2X12 / R2-2X10 - Rockford Fosgate Prime dual loaded subwoofer enclosures for a complete drop-in bass solution
RFK4 - Rockford Fosgate 4 AWG amplifier wiring kit to complete the installation
DSR1 - Rockford Fosgate Digital Signal Processor for advanced signal processing ahead of the R2-750X5
Frequently Asked Questions
What is the difference between the R2-750X5 and the M2-750X5?
Both are 750W 5-channel Full-Range Class-D amplifiers with identical power ratings, the same 2/4/5 channel input switch, Punch EQ, variable infrasonic filter, and RLC remote. The M2-750X5 is from the M2 Element Ready marine series with conformal-coated PCB, UV stable powder-coated heatsink, zinc nickel-plated marine brass terminals, and Auto-Sense turn-on suited to marine and outdoor environments. The R2-750X5 is from the Prime R2 car audio series with a cast aluminium heatsink and standard car audio terminals. Choose the R2-750X5 for car audio; choose the M2-750X5 for marine or outdoor powersports applications.
What does the 2/4/5 channel input selection switch do?
The input selection switch configures the R2-750X5 to accept 2, 4, or 5 channels of RCA or high-level input. In 2-channel mode, the single front RCA pair feeds all five channels internally. In 4-channel mode, separate front and rear RCA pairs are used independently. In 5-channel mode, all three RCA input pairs (front, rear, sub) are used for full independent channel control. This removes the need for Y-cables when the source unit has fewer RCA outputs.
What fuse does the R2-750X5 require and is it included?
The R2-750X5 requires a 120A fuse, which is not included and must be sourced separately. Install the fuse as close to the battery as possible in the 4 AWG power supply line. The maximum sinewave current draw is 71A.
Can I add a subwoofer to this amplifier without a separate mono amp?
Yes. The R2-750X5 includes a dedicated subwoofer channel rated at 350W RMS at 2-ohm. This eliminates the need for a separate monoblock amplifier in most builds. The included RLC remote level control allows subwoofer volume to be adjusted from the cabin without accessing the amplifier.
Is the R2-750X5 compatible with a factory OEM head unit?
Yes. The high-level (speaker-level) inputs accept 450mV to 12V, allowing direct connection to OEM head unit speaker outputs without RCA outputs. The 2/4/5 channel input switch further simplifies integration by allowing the amplifier to work with source units that have limited or no RCA outputs.Legendary Products & Support From Authorized Dealers
When you choose Frankies BrandBeast, you're choosing quality and performance. But just as important as what you buy is where you buy it from. Here's why purchasing from an authorized dealer is always the right choice:
▸ Expert Knowledge & TrainingOnly authorized Frankies BrandBeast dealers are factory-trained to sell and install our products. They have the expertise to ensure your purchase is set up correctly and meets your expectations.
▸ Authorized Warranty ProtectionWe offer one of the best warranties in the industry, but only purchases made through authorized dealers are covered. Don’t be misled by unauthorized sellers who can’t provide genuine warranty support.
▸ Reliable Customer SupportIf you ever run into an issue, you’re backed by Frankies BrandBeast’s official manufacturer’s warranty. No need to deal with overseas returns—our local team takes care of everything quickly and efficiently.
▸ Protect Your InvestmentBuying from an authorized dealer ensures you’re getting genuine products, full warranty coverage, and expert support. Ask yourself—is saving a few bucks worth losing all that?
Choose wisely. Buy from Frankies BrandBeast today!
Rockford Fosgate PBR400X4D Punch 400 Watt 4-Channel Class D Amplifier
When space is tight but power cannot be compromised, the PBR400X4D delivers 400 watts of full-range Punch Series performance in one of the most compact 4-channel footprints Rockford Fosgate makes.
Product Overview
The PBR400X4D is a full-range Class D 4-channel amplifier from Rockford Fosgate's Punch Series, engineered specifically for installations where space is at a premium. Powered by Boosted Rail Technology (BRT), an ultra-efficient proprietary power supply design, it generates 400 watts of total RMS output while keeping current draw low enough to suit trucks, sub-compact vehicles, electric vehicles, and hybrids where electrical system demand is a critical consideration. The amplifier operates at 4 ohm or 2 ohm stereo and 4 ohm bridged/mono, with selectable fixed 12 dB/octave Butterworth crossovers covering High-Pass and Low-Pass filter positions. A variable DC offset high-level input circuit with signal-sense turn-on simplifies integration with OEM head units and factory systems. MEHSA3 thermal management handles heat dissipation through an extruded aluminium heatsink, while real-time output and power supply thermal sensing monitors operating conditions continuously. The C.L.E.A.N. clip detection system uses a tri-colour LED indicator that identifies exact THD levels rather than just clipping events, giving a precise read on signal quality. Muted turn-on prevents transient noise through the speakers during power-up. CEA-2006 and CE compliant, with a 1-year warranty, designed and engineered in the USA.
Features & Benefits
Boosted Rail Technology (BRT): Rockford Fosgate's proprietary ultra-efficient power supply design generates 400 watts of output while minimising current consumption from the vehicle's charging system, making the PBR400X4D well suited to electric, hybrid, and sub-compact vehicles where alternator and battery capacity is limited.
C.L.E.A.N. Clip Detection with Tri-Colour LED: The C.L.E.A.N. input and output clip indicator uses a three-colour LED system to provide precise distortion feedback: Blue indicates less than 0.5% THD (clean signal), Violet indicates 1% THD (approaching clip), and Red indicates 10% THD or greater (clipping). This is a more detailed read of signal quality than a standard clip light.
MEHSA3 (Maximum Efficiency Heat Sink Application): Reduces MOSFET operating temperatures, lowers distortion levels, increases overall durability, and extends the lifespan of output devices under sustained use, working in combination with the extruded aluminium heatsink for convection cooling.
Real-Time Thermal Sensing: Continuous monitoring of both the output stage and power supply thermal conditions allows the amplifier to respond to temperature changes proactively, protecting internal components during demanding listening sessions.
DSM Circuit Technology: 1% tight-tolerance surface-mount components improve circuit efficiency, reduce crosstalk between discrete components, and lower operating temperature throughout the signal path.
Variable DC Offset High-Level Turn-On: The hi-level input includes a variable DC offset sensitivity circuit for reliable signal-sense turn-on across a wide range of factory head units and OEM systems, with no remote turn-on wire required when using high-level inputs.
Remote-Out Feature: When using high-level inputs, the PBR400X4D provides a Remote-Out signal that can be used to trigger downstream components, simplifying multi-component installations without a separate remote turn-on distribution.
Selectable Fixed Crossovers: High-Pass crossover is selectable at 60 Hz or 80 Hz at 12 dB/octave Butterworth. Low-Pass crossover is fixed at 80 Hz at 12 dB/octave Butterworth, providing straightforward speaker and subwoofer integration without continuous adjustment.
2/4 Channel Input Switch: A 2-channel to 4-channel input switch allows a single stereo RCA source to feed all four output channels, simplifying installation in vehicles with limited source unit outputs.
Compact Stealth Design: At 1.53" x 4.25" x 6.75", the PBR400X4D is designed for concealed installations in tight spaces, including under seats, behind panels, and in factory amplifier locations.
Muted Turn-On: Output is muted during the power-up sequence to prevent transient noise from passing through the speakers at switch-on.
CEA-2006 and CE Compliant: All power ratings conform to CEA-2006 industry measurement standards at 14.4V with 1% or less THD. No inflated peak figures are used anywhere in the specifications.
Technical Specs
Specification
Detail
SKU
PBR400X4D
Series
Punch
Number of Channels
4
Amplifier Class
Class D, Full Range
Total RMS Power
400W
RMS Power @ 4 Ohm
50W x 4
RMS Power @ 2 Ohm
100W x 4
Bridged Power @ 4 Ohm
200W x 2
Dynamic Power @ 4 Ohm
75W x 4
Dynamic Power @ 2 Ohm
130W x 4
Dynamic Power Bridged @ 4 Ohm
270W x 2
Bridgeable
Yes
Minimum Impedance (Stereo)
2 Ohm
Minimum Impedance (Bridged)
4 Ohm
Frequency Response
20 Hz - 20 kHz +/- 1 dB
THD @ 4 Ohm
<1.0%
THD @ 2 Ohm
<1.0%
Average Efficiency
>75%
Input Sensitivity
150 mV - 12V
Signal Input (Low-Level)
2 x Pair RCA
Signal Input (High-Level)
4-Pin Harness, variable DC offset sensitivity
Input Switch
2-channel / 4-channel
Signal Output
None
High-Pass Crossover
60 Hz or 80 Hz @ 12 dB/octave Butterworth (selectable)
Low-Pass Crossover
80 Hz @ 12 dB/octave Butterworth (fixed)
Tone Controls
None
Remote Controls
None
Visual Indicators
POWER (Blue), PROTECT (Red), INPUT CLIP (Red), OUTPUT CLIP (Blue/Violet/Red)
LED Colour Legend
Blue: <0.5% THD, Violet: 1% THD, Red: 10% THD or greater
Operating Voltage
9-16V DC
Average Current Draw (13.8V Music)
27A
Max Current Draw (13.8V Sinewave)
50A
Suggested Alternator
75A
Recommended Fuse
60A (not included)
Power Wire Gauge
8 AWG
Speaker Wire Gauge
16 AWG
Power Input Connector
Detachable Compression Terminal
Speaker Output Connector
Front: 4-Pin Harness, Rear: 4-Pin Harness
Cooling
Convection / Extruded Aluminium Heatsink (MEHSA3)
Dimensions (H x W x D)
1.53" x 4.25" x 6.75" (3.9 cm x 10.79 cm x 17.16 cm)
Shipping Weight
3.1 lbs (1.4 kg)
Warranty
1 Year
Compliance
CEA-2006, CE
Goes Well With
The PBR400X4D pairs naturally with Rockford Fosgate Punch Series full-range speakers across the front and rear channels, including the P1 and P2 coaxial and component speaker ranges. When bridged to 2-channel operation at 4 ohms, it can also serve as a compact, space-saving subwoofer amplifier in smaller builds. For systems requiring a dedicated subwoofer channel alongside speaker amplification, the onboard 80 Hz Low-Pass crossover option makes it straightforward to cross over rear channels to a subwoofer. Note that this amplifier uses 4-pin harness speaker connectors rather than standard terminal blocks; confirm harness compatibility with the installation vehicle before purchase. An 8-gauge amplifier wiring kit is required for power and ground runs.
Frequently Asked Questions
What does Boosted Rail Technology (BRT) mean, and why does it matter for electric or hybrid vehicles?
Boosted Rail Technology is Rockford Fosgate's proprietary ultra-efficient power supply architecture used in the PBR400X4D. It generates 400 watts of output while keeping current draw significantly lower than a conventional Class AB amplifier of equivalent power. At 13.8V music, average current draw is just 27A, and the suggested alternator rating is 75A. This makes the PBR400X4D well suited to electric vehicles, hybrids, and sub-compact vehicles where the electrical system capacity is more restricted than a conventional petrol-powered vehicle.
Does the PBR400X4D need a remote turn-on wire?
When using high-level speaker inputs, no remote turn-on wire is required. The variable DC offset high-level input circuit detects the incoming speaker signal automatically and powers the amplifier on. When using RCA inputs, a standard remote turn-on wire from the head unit is required. Additionally, the Remote-Out feature provides a trigger output when the amplifier is running from high-level inputs, which can be used to activate downstream components.
What does the tri-colour output clip LED indicate, and how is it different from a standard clip light?
The PBR400X4D's C.L.E.A.N. output clip indicator uses three colour states rather than a simple on/off clip light. Blue indicates the signal is clean at less than 0.5% THD. Violet indicates the signal is approaching the clip threshold at 1% THD. Red indicates the signal is clipping at 10% THD or greater. This tri-colour system allows gain to be set more accurately during installation without an external measurement tool.
Are the crossover points adjustable, or are they fixed?
The crossover points on the PBR400X4D are selectable but fixed, not continuously variable. The High-Pass crossover can be set to either 60 Hz or 80 Hz. The Low-Pass crossover is fixed at 80 Hz. All crossovers operate at 12 dB/octave Butterworth slope. For installations requiring precise variable crossover control, an upstream DSP such as the DSR1 would be needed.
What speaker connector type does the PBR400X4D use, and do I need a special harness?
The PBR400X4D uses 4-pin harness connectors for both front and rear speaker outputs rather than standard screw or compression terminal blocks. This is part of the compact, stealth-install design. Confirm that compatible 4-pin speaker harnesses are available for the installation vehicle or amplifier location before purchase, as standard bare-wire speaker connections are not supported directly on this amplifier.
Legendary Products & Support From Authorized Dealers
When you choose Frankies BrandBeast, you're choosing quality and performance. But just as important as what you buy is where you buy it from. Here's why purchasing from an authorized dealer is always the right choice:
▸ Expert Knowledge & TrainingOnly authorized Frankies BrandBeast dealers are factory-trained to sell and install our products. They have the expertise to ensure your purchase is set up correctly and meets your expectations.
▸ Authorized Warranty ProtectionWe offer one of the best warranties in the industry, but only purchases made through authorized dealers are covered. Don’t be misled by unauthorized sellers who can’t provide genuine warranty support.
▸ Reliable Customer SupportIf you ever run into an issue, you’re backed by Frankies BrandBeast’s official manufacturer’s warranty. No need to deal with overseas returns—our local team takes care of everything quickly and efficiently.
▸ Protect Your InvestmentBuying from an authorized dealer ensures you’re getting genuine products, full warranty coverage, and expert support. Ask yourself—is saving a few bucks worth losing all that?
Choose wisely. Buy from Frankies BrandBeast today!
Rockford Fosgate P600X4 600 Watts, Four Channels, Built for Any System You Throw at It
Product Overview
The Rockford Fosgate P600X4 is a Punch Series 4-channel amplifier rated at 150 watts RMS per channel at 2 ohms 600 watts total engineered to adapt to virtually any car audio system layout. Run it in full 4-channel stereo for front and rear speakers, bridge both channel pairs into a high-power 2-channel configuration, or operate it in 3-channel mode with stereo speakers up front and a subwoofer on the bridged rear channels. The P600X4 handles all three without compromise.
What sets the P600X4 apart from entry-level 4-channel options is its expanded feature set. RCA pass-thru outputs let you chain additional amplifiers as your system grows without resorting to Y-adapters that degrade signal quality. The optional PLC2 remote Punch Level Control adds a dash-mounted bass adjustment knob with a real-time clip indicator, and the variable HP/LP Butterworth crossover gives you precise per-channel tuning for speakers and subwoofers alike. For Australian builds dealing with heat, corrugations, and long-distance touring, the cast aluminium heatsink and onboard protection circuits keep everything running cleanly.
Key Specifications
Total RMS Output: 600 watts
Per-Channel Output: 150W x 4 at 2 ohms
Channels: 4 (stereo, 3-channel, or bridged 2-channel)
Bridgeable: Yes — bridge both channel pairs for high-power 2-channel operation
Crossover: Variable HP/LP, 12dB/octave Butterworth
Onboard EQ: Punch EQ — +18dB boost at 45Hz
Inputs: High-level (speaker-level) and RCA
RCA Pass-Thru Outputs: Yes
Auto Turn-On: Yes — via high-level input detection
Remote Control: Optional PLC2 Punch Level Control (with input clip indicator)
Turn-On Behaviour: Muted (no thump on startup)
Heatsink: Cast aluminium
Control Panel Position: Stealth top-mounted
Protection: Short circuit and over-current
Features & Benefits
High-Level Input with Auto Turn-On — Connects directly to factory head unit speaker outputs with no RCA cables required. The Auto Turn-On circuit fires the amp when it detects a signal, eliminating the need for a dedicated remote turn-on wire. Ideal for OEM upgrades across any vehicle.
RCA Pass-Thru Outputs — Extend your system by daisy-chaining a subwoofer amplifier or additional channels without Y-adapters. Keeps signal integrity intact and your wiring clean as your build evolves.
C.L.E.A.N. Setup (Clip Level Elimination Audio Notify) — Rockford Fosgate's onboard gain-calibration system takes the guesswork out of setup. Dial in maximum clean output without a multimeter or test tone — useful for installers and enthusiasts alike.
Optional PLC2 Remote Punch Level Control — Adds a dash-mountable knob for real-time bass level adjustment. The input clip indicator lights up before distortion sets in — live feedback that protects your speakers and keeps your tune dialled in on the road.
Variable HP/LP 12dB/Octave Butterworth Crossover — Independently configure each channel pair for high-pass (speakers) or low-pass (subwoofers) operation. The variable crossover point gives you precision tuning without an external processor.
Onboard Punch EQ (+18dB @ 45Hz) — Adds controlled sub-bass punch directly from the amp. No separate bass EQ or processor required for most builds — tune to taste from the top-mounted control panel.
3-Channel Operating Mode — Run full-range or component speakers on the front two channels and bridge the rear pair for a subwoofer — one amp, complete system. Particularly useful in utes and wagons where boot space is at a premium.
Muted Turn-On — No startup thump, no tweeter stress, no giveaway of a poorly executed install. Keeps your system sounding professional from the moment the ignition fires.
Stealth Top-Mounted Control Panel — All gain, crossover, and EQ controls are accessible on the top face of the amp for easy tuning during setup, without cluttering the amp's profile once mounted.
Cast Aluminium Heatsink — Handles extended thermal loads during long listening sessions. In Australian conditions — outback runs, summer road trips, confined boot spaces — heat management is a real-world spec that matters.
Short Circuit & Over-Current Protection — Onboard protection circuits guard the amplifier and your speakers against wiring faults and impedance mismatches.
Technical Specs
Specification
Detail
Total RMS Power
600W
Per-Channel RMS (2Ω)
150W x 4
Number of Channels
4
Operating Modes
4-channel stereo, 3-channel, bridged 2-channel
Bridgeable
Yes (both channel pairs)
Crossover Type
Variable HP/LP Butterworth
Crossover Slope
12dB/octave
Onboard EQ
+18dB boost at 45Hz
Input Type
High-level (speaker-level) + RCA
RCA Pass-Thru
Yes
Auto Turn-On
Yes (via high-level input)
Remote Punch Level Control
Optional (PLC2, sold separately)
Input Clip Indicator
Yes (via PLC2)
Turn-On Mode
Muted
Heatsink Material
Cast aluminium
Control Panel Location
Top-mounted (stealth)
Short Circuit Protection
Yes
Over-Current Protection
Yes
Dimensions
Not specified
Signal-to-Noise Ratio
Not specified
THD
Not specified
Frequency Response
Not specified
Input Sensitivity
Not specified
Compatible With / Goes Well With
System Configurations:
4-way full-range speaker system (front + rear, 4-channel stereo)
3-channel mode — stereo component speakers (front) + bridged subwoofer (rear)
Bridged 2-channel mode — high-power output for two subwoofers or speaker pairs
Front-stage only (component speakers, 2 channels active)
Head Unit Compatibility:
Factory/OEM head units (via high-level input with Auto Turn-On)
Aftermarket head units with RCA pre-outs
Accessories:
Rockford Fosgate PLC2 Remote Punch Level Control (optional, sold separately)
Recommended: use manufacturer-specified power and speaker cables to optimise power delivery (cable spec not provided — confirm with supplier)
Frequently Asked Questions
Can the P600X4 run speakers and a subwoofer at the same time?
Yes. In 3-channel mode, the front two channels power stereo speakers while the rear channels are bridged to drive a subwoofer — a complete system from a single amplifier.
What is the RCA pass-thru and why does it matter?
The RCA pass-thru outputs let you connect an additional amplifier downstream — such as a dedicated subwoofer amp — without using signal-splitting Y-adapters, preserving audio quality as your system grows.
Does the P600X4 work with a factory head unit?
Yes. The high-level input accepts speaker-level signals from any OEM head unit, and the Auto Turn-On circuit activates the amplifier automatically — no remote turn-on wire required.
Is the PLC2 remote punch level control included in the box?
No. The PLC2 is an optional accessory sold separately. It adds a dash-mountable remote bass control knob and a real-time input clip indicator to help you tune on the go without touching the amp.
What does C.L.E.A.N. setup mean and do I need extra tools?
C.L.E.A.N. (Clip Level Elimination Audio Notify) is Rockford Fosgate's built-in gain-setting system. No multimeter or external tools are needed — it guides you to the optimal gain level to maximise output while keeping distortion out of your signal chain.
Legendary Products & Support From Authorized Dealers
When you choose Frankies BrandBeast, you're choosing quality and performance. But just as important as what you buy is where you buy it from. Here's why purchasing from an authorized dealer is always the right choice:
▸ Expert Knowledge & TrainingOnly authorized Frankies BrandBeast dealers are factory-trained to sell and install our products. They have the expertise to ensure your purchase is set up correctly and meets your expectations.
▸ Authorized Warranty ProtectionWe offer one of the best warranties in the industry, but only purchases made through authorized dealers are covered. Don’t be misled by unauthorized sellers who can’t provide genuine warranty support.
▸ Reliable Customer SupportIf you ever run into an issue, you’re backed by Frankies BrandBeast’s official manufacturer’s warranty. No need to deal with overseas returns—our local team takes care of everything quickly and efficiently.
▸ Protect Your InvestmentBuying from an authorized dealer ensures you’re getting genuine products, full warranty coverage, and expert support. Ask yourself—is saving a few bucks worth losing all that?
Choose wisely. Buy from Frankies BrandBeast today!
Rockford Fosgate M5-800X4 800 Watt 4-Channel IPX6 Element Ready Marine Amplifier
A marine grade 800W 4-channel Class-AD amplifier with IPX6 water intrusion rating, delivering 100W x 4 at 4-ohm (CTA-2006 rated). Features C.L.E.A.N. gain calibration, NOMAD speaker protection, P.O.W.E.R. supply technology, MEHSA4 heat management, Punch EQ2 onboard equaliser, and balanced differential inputs. Bridgeable to 2-channel for 200W x 2 at 4-ohm. Engineered in the USA. Backed by a 1 year warranty.
Product Overview
The Rockford Fosgate M5-800X4 is an 800W 4-channel Class-AD marine amplifier purpose-built for demanding outdoor environments. IPX6 rated and fully Element Ready, it is protected against dust, UV radiation, temperature extremes, water jets from any direction, corrosion, and vibration throughout its service life.
Rated power is 100W x 4 at 4-ohm or 2-ohm, and 200W x 2 at 4-ohm bridged, all at less than 1.0% THD+N and CTA-2006 certified - confirming these are real power numbers, not inflated marketing figures. Dynamic power via PVC/PowerCube reaches 125W x 4 at 4-ohm, 200W x 4 at 2-ohm, and 400W x 2 at 4-ohm bridged. The P.O.W.E.R. supply continues to generate above rated power as voltage increases, and the Constant Power circuit topology delivers instantaneous output across varying impedance loads. Class-AD topology improves efficiency and reduces current draw from the vehicle or vessel charging system.
C.L.E.A.N. (Calibrated Level Eliminates Audible Noise) input and output clip indicators guide precise gain calibration at setup. NOMAD real-time protection guards against shorted speaker wires and dangerously low impedances. MEHSA4 (Maximum Efficiency Heat Sink Application) reduces MOSFET temperatures, lowers distortion, and extends output device life. DSM discrete surface mount components use 1% tight-tolerance parts to improve circuit efficiency, reduce cross-talk, and lower operating temperatures. Balanced differential inputs eliminate noise picked up by signal cables. Punch EQ2 provides up to 18dB of boost at 45Hz and up to 12dB at 12.5kHz for onboard tone shaping.
Features & Benefits
C.L.E.A.N. Technology - Precision Gain Calibration: C.L.E.A.N. (Calibrated Level Eliminates Audible Noise) is a patented circuit with dedicated input and output clip indicator LEDs, making it straightforward to match the source unit output to the amplifier's input sensitivity for optimal, distortion-free performance.
P.O.W.E.R. Supply - More Output as Voltage Rises: The P.O.W.E.R. supply is a unique power supply circuit design that continues to generate above rated output power as supply voltage increases, ensuring the amplifier delivers the output you need even under demanding conditions.
NOMAD Speaker Protection - Real-Time Monitoring: NOMAD is a real-time analog protection circuit that continuously monitors for shorted speaker wires and dangerously low speaker impedances, protecting both the amplifier and connected speakers from damage without requiring manual intervention.
MEHSA4 Heat Management - Lower Temperatures, Longer Life: MEHSA4 (Maximum Efficiency Heat Sink Application) reduces MOSFET operating temperatures, lowers distortion at higher output levels, increases overall amplifier durability, and prolongs the life of the output devices over time.
Punch EQ2 Onboard Equaliser: The Punch EQ2 provides up to 18dB of bass boost at 45Hz for the front and rear channels, and up to 14dB of high-frequency boost at 12.5kHz, enabling onboard tone shaping without a separate equaliser or DSP.
IPX6 Element Ready - Built for Marine and Outdoor Environments: IPX6 water intrusion rating confirms protection against powerful jets of water from any direction. Element Ready construction protects all components against dust, UV radiation, corrosion, temperature extremes, and vibration throughout the service life of the amplifier.
Balanced Differential Inputs: Balanced differential inputs reject noise picked up by signal cables, ensuring a clean signal from source to speaker even in electrically noisy marine or powersports environments.
Technical Specs
Specification
Detail
SKU
M5-800X4
Number of Channels
4
Total Power
800W
Rated Power (CTA-2006, less than 1.0% THD+N)
100W x 4 at 4-ohm
100W x 4 at 2-ohm
200W x 2 at 4-ohm Bridged
Dynamic Power (CTA-2006 PVC/PowerCube)
125W x 4 at 4-ohm
200W x 4 at 2-ohm
400W x 2 at 4-ohm Bridged
Circuit Topology
Class-AD
Bridgeable
Yes
Frequency Response
10 Hz - 50 kHz
THD + Noise
Less than 0.25% at 1 Watt
Input Sensitivity
150mVrms - 12Vrms
Efficiency
Greater than 75%
Signal Input
Low-Level: 4 x RCA / High-Level: (2) 4-Pin Molex
Tone Controls
Front/Rear: 0-18dB at 45Hz / 0-14dB at 12.5kHz
High-Pass Crossover
50 Hz - 250 Hz at 12dB/Octave Butterworth
Low-Pass Crossover
50 Hz - 250 Hz at 12dB/Octave Butterworth
All-Pass
Yes
Power Wire Gauge
8 AWG
Power Input Connector
Compression Terminal Block
Speaker Wire Gauge
16 AWG
Speaker Output Connector
4-Pin Molex
Cooling
Convection
Heatsink
Extruded Aluminium
Operating Voltage
9 - 16 VDC
Recommended Fuse (not included)
80A MAXI (Littelfuse 0299080)
Average Current Draw at 13.8V Music
4-ohm Stereo: 29A / 2-ohm Stereo: 29A / 4-ohm Bridged: 29A
Max Current Draw at 13.8V Sinewave
4-ohm Stereo: 55A / 2-ohm Stereo: 85A / 4-ohm Bridged: 90A
Water Intrusion Rating
IPX6
Visual Indicators
Power: Blue / Protect: Red / Input Clip: Red / Output Clip: Blue/Red
Dimensions (H x W x D)
42.8 x 108 x 213mm (1.7 x 4.25 x 8.41 inch)
Shipping Weight
1.9kg
CTA-2006 Compliant
Yes
Warranty
1 Year
Compatible With / Goes Well With
The M5-800X4 suits marine watercraft, pontoon boats, wakeboard boats, and powersports vehicles requiring a compact, high-performance 4-channel marine amplifier. It is the recommended amplifier pairing for Rockford Fosgate marine speaker kits including the HD9813RG-STG3 and HD9813SG-STAGE2 Harley-Davidson audio kits, as well as standalone marine speaker installations.
Goes Well With:
M2WL-8 / M2WL-8B - Rockford Fosgate M2 series 8 inch wake tower speakers, a direct application pairing for the M5-800X4 in marine builds
TMS6RG / TMS6SG / TMS65 - Rockford Fosgate Element Ready marine and motorcycle fairing speakers driven by the M5-800X4 in HD kit applications
M210S4B / M212S4 - M2 marine subwoofers for full system builds pairing the M5-800X4 with a dedicated marine sub
DSR1 - Rockford Fosgate Digital Signal Processor for advanced signal tuning ahead of the M5-800X4
RFW4R / RFW4B - Rockford Fosgate 4 AWG marine amplifier wiring kits (red or black) to complete the installation
Frequently Asked Questions
What is C.L.E.A.N. and how does it help with setup?
C.L.E.A.N. (Calibrated Level Eliminates Audible Noise) is a patented Rockford Fosgate circuit that uses dedicated input and output clip indicator LEDs to guide amplifier gain calibration. By raising the source unit volume until the input clip LED activates, then adjusting the amplifier gain until the output clip LED just extinguishes, the M5-800X4 can be precisely matched to the source unit for maximum output with minimum distortion - without needing test equipment.
What is the difference between rated power and dynamic power on the M5-800X4?
Rated power is measured under CTA-2006 continuous conditions at less than 1.0% THD+N - these are conservative, real-world figures. Dynamic power figures (via PVC/PowerCube) reflect the amplifier's peak output capability during transient musical peaks, which is higher than the continuous rating. Both sets of figures are CTA-2006 documented and reflect actual measured performance, not inflated marketing claims.
Is the M5-800X4 suitable for saltwater marine environments?
Yes. The M5-800X4 carries IPX6 water intrusion rating and full Element Ready certification, protecting it against water jets from any direction, UV radiation, corrosion, dust, vibration, and temperature extremes. It is designed for both freshwater and saltwater marine applications.
Can the M5-800X4 be used to power a subwoofer?
Yes. The M5-800X4 is bridgeable to 2-channel, delivering 200W x 2 at 4-ohm bridged (or 400W dynamic). Two channels can be bridged to drive a single subwoofer while the remaining two channels power full-range speakers. The onboard low-pass crossover (50-250Hz at 12dB/octave) can be applied to the bridged subwoofer channel for a clean filtered bass signal.
What fuse is required for the M5-800X4 and is it included?
The M5-800X4 requires an 80A MAXI fuse (Littelfuse part number 0299080). The fuse is not included in the box and must be sourced separately. It is recommended to install this fuse as close to the battery as possible in the power supply line.Legendary Products & Support From Authorized Dealers
When you choose Frankies BrandBeast, you're choosing quality and performance. But just as important as what you buy is where you buy it from. Here's why purchasing from an authorized dealer is always the right choice:
▸ Expert Knowledge & TrainingOnly authorized Frankies BrandBeast dealers are factory-trained to sell and install our products. They have the expertise to ensure your purchase is set up correctly and meets your expectations.
▸ Authorized Warranty ProtectionWe offer one of the best warranties in the industry, but only purchases made through authorized dealers are covered. Don’t be misled by unauthorized sellers who can’t provide genuine warranty support.
▸ Reliable Customer SupportIf you ever run into an issue, you’re backed by Frankies BrandBeast’s official manufacturer’s warranty. No need to deal with overseas returns—our local team takes care of everything quickly and efficiently.
▸ Protect Your InvestmentBuying from an authorized dealer ensures you’re getting genuine products, full warranty coverage, and expert support. Ask yourself—is saving a few bucks worth losing all that?
Choose wisely. Buy from Frankies BrandBeast today!
