Genuine JL Audio M3 Series 10-inch marine subwoofer driver designed for infinite-baffle (free-air) mounting. The M3-10IB-C-GW-4 delivers tight, low-distortion bass in open cockpit and helm installations, finished with a gloss white Classic grille.

• JL Audio OEM references: M3-10IB-C-GW-4 (JL ref 93527 / Garmin ref 010-03070-00)
• Continuous power handling: 175 W RMS (recommended amplifier power: 50–175 W RMS)
• Impedance: 4 Ω (single voice coil)
• Preferred mounting: Infinite baffle; requires ≥ 2.0 cu ft (56.6 L) of air volume behind the driver
• Sealed enclosure option: Min 2.0 cu ft (56.6 L); optimum 2.5 cu ft (70.8 L)
• Construction: Mica-filled polypropylene cone, synthetic rubber surround, corrosion/UV-resistant polymer basket & grille, marine-grade terminals
• Dimensions: Overall Ø 10.75 in (273 mm); cutout Ø 8.875 in (225 mm); mounting depth 5.12 in (130 mm)
• Included: Classic grille plus stainless mounting screws/washers
• UPC: 699440935272

Before ordering, confirm ratings, wiring impedance, and installation clearances to ensure correct fit and amplifier matching.