JL Audio M7-12IB-S-GwGw-4 Marine Subwoofer with White Sport Grille - 12-Inch

M7 12 Marine Subwoofer with Gloss White Sport Grille - M7-12IB-S-GwGw-4

KING OF BASS

With oversized, overbuilt components and very powerful motor systems, M7s are extreme subwoofers optimized for high-power operation in open-air applications.

Features

• Generates stunning bass in open-air applications


• Egineered for use without dedicated enclosure


• Grille and trim ring are easily removable for painting


• Exceeds international standards for salt fog and UV exposure


• 3-Year Warranty

Incredible Displacement

Displacement is a direct measure of a subwoofers output capability. With more than twice the displacement of most 10-inch subwoofers, the M7-12IB is in a class of its own.

Infinite Baffle Design

M7 marine subwoofers are purpose-engineered to operate without dedicated enclosures, needing only large volumes of air behind them.

High Powered

The M7 marine subwoofer easily handles up to 600 watts RMS.

DMA-Optimized Woofers

Proprietary motor, suspension and cone modeling systems are employed, resulting in reduced distortion, improved transient performance and stellar bass sound quality.

Real Marine Duty

For long-term use, all models are built to withstand saltwater marine environments and deliver years of listening enjoyment.

In The Box

• One marine subwoofer


• One grille


• Six stainless steel mounting screws


• Six stainless steel washers

Specifications

• Size: 12


• Color: White Sport


• Physical Dimensions (Diameter): 14


• Physical Dimensions (Depth): 9.42


• Weight: 25.35 lbs


• Speaker Type: Infinite Baffle Subwoofer


• Continuous Power Handling (RMS): 600w


• Sensitivity (SPL @ 1w/1m): 86.7 dB


• Nominal Impedance: 4 Ohm


• Recommended Amplifier Power (RMS): 200-600 w


• LED Lighting: No


• Voice Coil Diamater: 4


• Cone Material: Injection-molded, mica-filled polypropylene


• Warranty: 3-Year

Connections

• Speaker Connections: Spade Connectors

Mounting Dimensions

• Mounting Depth Clearance: 7.94


• Frontal Grille Protrusion: 1.48


• Mounting Hole: 12.0625


• Bolt Hole Circle: 12.813

The JL Audio M7-12IB-S-GwGw-4 marine subwoofer delivers powerful, high-quality bass performance ideal for open-air marine applications. Engineered with oversized, overbuilt components and a robust motor system, this subwoofer is designed to produce deep, immersive bass even in challenging outdoor environments. Its innovative infinite baffle design allows it to operate without a dedicated enclosure, requiring only ample air space behind the speaker for optimal performance. The subwoofer's construction features corrosion-resistant materials, exceeding international standards for salt fog and UV exposure, ensuring durability in marine settings.
The M7-12IB's impressive displacement—more than twice that of typical 10-inch subwoofers—provides exceptional output capability, making it a standout choice for demanding audio setups. Capable of handling up to 600 watts RMS, this subwoofer offers reliable power handling combined with proprietary DMA-optimized motor, suspension, and cone systems that reduce distortion and enhance transient response. The injection-molded, mica-filled polypropylene cone ensures consistent sound quality and durability.
The subwoofer includes a removable grille and trim ring for easy customization or painting, and features spade connectors for secure wiring. With a 14-inch diameter and a weight of approximately 25 pounds, it fits well into various marine installations. The mounting depth clearance is around 8 inches, with mounting hole specifications that facilitate straightforward installation. Backed by a 3-year warranty, the JL Audio M7-12IB-S-GwGw-4 is built to withstand the rigors of marine environments, providing long-term performance and enjoyment. In the box, you will find the subwoofer, grille, stainless steel mounting screws, and washers. For detailed installation instructions, refer to the owner’s manual available online.

Features:

• Generates powerful bass suitable for open-air marine environments

• Engineered for use without dedicated enclosures, requiring large air volume behind the speaker

• Removable grille and trim ring for customization or painting

• Built to meet international salt fog and UV exposure standards for marine durability

• Handles up to 600 watts RMS for high-power performance

• High displacement—over twice that of most 10-inch subwoofers—for exceptional output

• Proprietary DMA-optimized motor, suspension, and cone for reduced distortion and improved transient response

• Constructed with durable, corrosion-resistant materials for long-term marine use

• Includes stainless steel mounting hardware for secure installation