Description
JL Audio JLA-010-03286-00 M7 Marine Subwoofer - 12" with White Sport Grille
Premium high-performance marine subwoofer engineered for extreme bass output, featuring aggressive white sport styling and massive 18.5mm excursion capability for demanding marine applications.
Product Overview
The JL Audio M7 12" Marine Subwoofer with White Sport Grille represents the pinnacle of marine bass performance, delivering exceptional low-frequency output designed specifically for demanding marine applications. The Sport series features a white sport grille that provides aggressive styling with robust protection while complementing modern white boat interiors. This flagship subwoofer is engineered for infinite baffle installations with massive 600W RMS continuous power handling and extraordinary 18.5mm excursion capability. The 4-inch voice coil and mica-filled polypropylene cone deliver authoritative bass that can fill even the largest boats with deep, impactful low frequencies. The white sport finish provides a clean, contemporary appearance while maintaining the structural integrity and weather resistance required for harsh marine environments, making this the ultimate choice for boaters who demand maximum performance with sophisticated styling.
Features & Benefits
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Extreme Power Handling: 600W RMS continuous power handling with 1200W peak capability delivers maximum bass authority
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White Sport Grille: Aggressive white sport styling provides enhanced protection while complementing modern boat aesthetics
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Massive Excursion Capability: 18.5mm one-way linear excursion (Xmax) provides exceptional output with controlled distortion
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Large 4-Inch Voice Coil: Oversized voice coil ensures superior power handling and thermal management for sustained high output
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Infinite Baffle Design: Optimized for free-air mounting eliminates enclosure requirements for simplified installation
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Marine-Grade Construction: Sealed motor structure and UV-resistant materials ensure long-term reliability in saltwater environments
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Mica-Filled Polypropylene Cone: Injection-molded cone provides excellent stiffness-to-weight ratio for accurate bass reproduction
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High Sensitivity: 86.7 dB efficiency delivers impressive output with moderate amplifier power
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Optimized Thiele-Small Parameters: Engineered for predictable performance in both infinite baffle and enclosed applications
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Professional Spade Terminals: Reliable connections ensure optimal signal transfer and easy installation
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Stainless Steel Mounting Hardware: Marine-grade screws and washers resist corrosion in harsh saltwater environments
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Contemporary Styling: White sport finish complements modern marine interiors and white boat colors
Technical Specs
| Specification |
Details |
| Model |
JLA-010-03286-00 |
| Subwoofer Size |
12" (305mm) |
| Grille Style |
White Sport |
| Configuration |
Infinite baffle (free-air) |
| Power Handling (Cont.) |
600W RMS |
| Power Handling (Peak) |
1200W |
| Impedance |
4 ohms |
| Sensitivity |
86.7 dB @ 1W/1m |
| Recommended Amp Power |
200-600W RMS |
| Cone Material |
Injection-molded mica-filled polypropylene |
| Voice Coil Diameter |
4" (102mm) |
| Physical Diameter |
356mm (14") |
| Physical Depth |
240mm (9.42") |
| Mounting Depth Clearance |
202mm (7.94") |
| Frontal Grille Protrusion |
38mm (1.48") |
| Mounting Hole |
306mm (12.0625") |
| Bolt Hole Circle |
325mm (12.813") |
| Driver Displacement |
4.19L (0.148 cu ft) |
| Free Air Resonance (Fs) |
35.34 Hz |
| One-Way Linear Excursion (Xmax) |
18.5mm (0.73") |
| Effective Piston Area (Sd) |
0.052 m² |
| Total Q (Qts) |
0.791 |
| Equivalent Compliance (Vas) |
56.35L |
| Connection Type |
Spade connectors |
| Warranty |
2 years |
| Weight |
11.5 kg (25.35 lbs) |
Compatible With / Goes Well With
Essential Amplifiers:
- JL Audio MHD Marine Amplifiers (MHD1200/1 recommended for full power capability)
- JL Audio MVi Marine Amplifiers (high-output monoblock configurations)
- JL Audio XDM Car and Marine Amplifiers (maximum power delivery)
Source Units:
- Fusion Apollo MS-RA800 Marine Stereo (subwoofer control and bass management)
- JL Audio MediaMaster marine source units (seamless system integration)
System Building:
- JL Audio M6 Marine Speakers (full-range in-boat audio)
- JL Audio M6 Enclosed Tower Speakers (complete premium marine audio system)
Installation Options:
- Infinite baffle/free-air installation (recommended for most applications)
- Custom sealed enclosure (85L for optimal sealed performance)
- Custom ported enclosure (141.6L tuned to 25 Hz for maximum extension)
- Marine-grade speaker wire (10AWG or 8AWG recommended for high-power runs)
Frequently Asked Questions
Q: What's the difference between the M7 and M6 subwoofers?
A: The M7 12" is JL Audio's flagship marine subwoofer with 600W RMS power handling (vs 250W for M6 10"), 18.5mm excursion (vs 13mm for M6), and a massive 4-inch voice coil (vs smaller coils in M6). The M7 delivers significantly higher output capability for larger boats and extreme bass requirements.
Q: What amplifier power should I use with this subwoofer?
A: The M7 12" performs best with 400-600 watts RMS from a dedicated high-power monoblock amplifier. The JL Audio MHD1200/1 is the ideal match, providing 1200W peak power with marine-specific protection circuits. Minimum recommended power is 200W RMS, though this won't fully utilize the subwoofer's capability.
Q: Can I use this subwoofer without building an enclosure?
A: Yes, the M7 is optimized for infinite baffle (free-air) mounting where the boat's interior cavity acts as the enclosure. This eliminates the need for custom box building. For enclosed applications, sealed (85L) or ported (141.6L) enclosures are recommended for optimal performance.
Q: What's the difference between White Sport and other M7 grille options?
A: White Sport grilles feature an aggressive mesh design with bright white finish for contemporary styling. Titanium Sport grilles offer metallic finish, while Classic grilles provide traditional appearance. LED-equipped Sport models (separate part numbers) add RGB illumination. All Sport versions share the same 38mm protrusion and acoustic performance.
Q: How much mounting depth do I need for installation?
A: The M7 12" requires 202mm (7.94") of clearance behind the mounting surface. The overall depth including the sport grille is 240mm (9.42"). The mounting hole diameter is 306mm (12.0625"). Always verify clearance and ensure adequate air space behind the subwoofer for proper infinite baffle operation.
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