A Combination of Great Design and Massive Power
The GM-A4704 amplifier gives you total installation freedom and no distortion. With a one-body heat sink and gain adjustment of up to 6.5V, you can turn your in-car audio experience into the sound staging environment that you’re looking for. This 4-channel amp allows you to drive multiple speakers and subwoofers, it’s also bridgeable to power a single sub.
Variable HPF (high pass filter) allow for adjustable frequency from 40 Hz to 500 Hz* and greater car audio system flexibility according to subwoofer characteristics and personal listening preference.
New Pioneer amps brilliantly integrate high-power performance superior to that of previous models in space-efficient sizes for flexibility of installation in various car cabins.
Pioneer amplifiers automatically select the proper input signal mode, either RCA or speaker level. When the receiver is turned on, the amplifier automatically turns on. When connected to an OEM receiver or a receiver without RCA output and utilizing speaker level output, the amp automatically senses the input mode and powers up in sync with the receiver.
When connected to an OEM receiver or a receiver without RCA output using speaker wire, the amplifier is turned on at the same time as the receiver. Pioneer’s amplifiers automatically detect the input signal and select RCA level or speaker level.
Specifications:
General
- RCA Inputs: 4-CH
- Amplifier Class: Class AB
- Hi-Res Certified: No
- Bridgeable: Yes
- Warranty: 1 Year
- Speaker Level Input: Yes
- Fuse Rating: 30A x 1
- Bass Boost Remote: No
- Automatic Signal Sensing and Turn-On: Yes
- Hi-Volt Input Level Control: 0.3V to 6.5V (RCA in), 3.0V to 26V (SP in)
- Terminal Type: Screw
- Load Impedance Allowance (Ohms): 2 to 4
- Protection Control System: Yes
- Dimensions: 326(W) X 60(H) X 215(D) mm
Power
- Continuous Power (RMS) Output @ 1Ω: N/A
- Continuous Power (RMS) Output @ 2Ω: 65W x 4
- Continuous Power (RMS) Output @ 4Ω: 40W x 4
- Continuous Power (RMS) Output – Bridged @ 4Ω: 130W x 2
Audio Adjustments
- Low-Pass Crossover Frequency: 80 Hz
- Low-Pass Slope (dB/octave): -12db/oct (A/B CH)
- High-Pass Crossover Frequency: 40 Hz to 500 Hz
- Bass Boost Frequency: 50Hz
- Bass Boost Level: 0/6/12dB
Audio Specifications
- Frequency Response: 10Hz ~ 70kHz (+0dB , -3dB)
- Total Harmonic Distortion (THD): <0.05% ( 10W, 1kHz)
- Signal-to-Noise (SN) Ratio: > 94dB
Legendary Product & Support from Authorized Dealers
You’ve decided to buy Pioneer. That means quality and performance are important to you, so who you buy your new Pioneer gear from is just as important. Here are a few reasons to purchase from an authorized dealer and here is why.
Proper Training: Only authorized Pioneer dealers are factory trained to sell and install our products. They know our products and your vehicle to ensure that your new purchase exceeds your expectations!
Authorized Warranty: Pioneer provides one of the best warranties in the business. Only customers purchasing through authorized dealers receive this comprehensive company warranty. Don’t be fooled by others who promise a full warranty, because it’s simply not true.
Support: If you have an issue, you are covered by Pioneer Australia’s manufacturer’s warranty and all you need to do is send it back in direct to get any warranty issues sorted, not post it back overseas. It’s all done right here.
Protect Your Investment: Protect yourself and your investment by making sure you buy your Pioneer product from us, an online dealer who is part of the Pioneer family. Ask yourself, is it worth saving a few dollars to not be covered?!