The JL Audio M7-12IB-S-GMTI-4 is a genuine M7-Series 12-inch marine subwoofer driver engineered for infinite-baffle (free-air) installations where maximum output and durability are required. Featuring a gunmetal trim ring with a titanium Sport grille, it’s built for harsh marine environments and delivers powerful, controlled bass without the need for a dedicated enclosure when mounted to a large air volume behind the driver.

• Continuous power handling: 600 W RMS (best with 200–600 W amplifier power)
• Impedance: 4 Ω (single voice coil)
• Voice coil: 4-inch for high power handling
• Preferred use: Infinite-baffle / free-air with at least 3.0 cu. ft. (84.95 L) air volume behind the driver
• Sealed enclosure (optional): minimum 2.0 cu. ft. (56.6 L); optimum 3.0 cu. ft. (70.8 L)
• Key dimensions: overall Ø 356 mm (14"); cutout Ø 306 mm (12.0625"); mounting depth ~202–204 mm (7.94–8.03")
• Performance data: Fs 35.34 Hz; Xmax 18.5 mm; sensitivity 86.7 dB (1 W / 1 m)
• Finish: gunmetal trim ring with titanium Sport grille

OEM references: JL Audio OEM 010-03288-00 (also referenced as 93673); model M7-12IB-S-GMTI-4; UPC 699440936736.

Note: Confirm cutout, mounting depth, impedance and amplifier power compatibility before ordering. If you’d like help selecting a suitable marine amplifier or planning an IB vs sealed install, contact TMP Global.