The JL Audio M6-10IB-C-GWGW-4 is a genuine M6-Series 10-inch infinite-baffle (free-air) marine subwoofer driver designed to deliver strong, controlled bass when mounted in a bulkhead, helm, or other sealed-off panel space. This version includes a gloss-white trim ring and gloss-white “Classic” grille for a clean OEM-style finish.

• Type: Infinite-baffle / free-air marine subwoofer (can also be used in an enclosure)
• Size: 10 in (250 mm)
• Impedance: Single 4 Ω voice coil
• Power handling (continuous/RMS): 250 W
• Finish: Gloss White trim ring + Gloss White Classic grille (included)
• Construction highlights: Mica-filled polypropylene cone with synthetic rubber surround, corrosion/UV-resistant polymer basket, marine-grade connection terminals

Installation notes: For best results in infinite-baffle use, mount the subwoofer so the front and rear waves are separated by a solid panel (to prevent bass cancellation). If you choose to run it in a box, JL Audio lists 2.0 ft³ sealed or 2.5 ft³ ported as recommended volumes.

• Overall diameter: 10.75 in (273 mm)
• Cutout diameter: 8.875 in (225 mm)
• Mounting depth: 5.90 in (150 mm)
• Grille protrusion (from mounting surface): 1.66 in (42 mm)

OEM / cross-reference: JL Audio OEM ref M6-10IB-C-GWGW-4. Supplier SKU: JLM6-10IB-C-GWGW-4. UPC: 699440936347 (where applicable).

Before ordering: Confirm impedance (4 Ω), power requirements, mounting cutout/depth, and grille clearance to ensure correct fitment for your boat and amplifier setup.