Marine Subwoofer 8" JL Audio M6 Infinite-Baffle, Gloss White Sport Grille, 4Ω 200W RMS, OEM 6-8IB-S-GWGW-4 (93617)

The JLM6-8IB-S-GWGW-4 is a genuine JL Audio M6 Series 8-inch marine subwoofer driver built for harsh saltwater environments and optimized for infinite-baffle (free-air) installations. This Sport version includes a Gloss White trim ring and Gloss White Sport grille for a clean, factory-style finish.

• JL Audio model: M6-8IB-S-GwGw-4 (Sport grille)
• Continuous power handling: 200 W RMS
• Recommended amplifier power (RMS): 50–200 W
• Nominal impedance: 4 Ω (single voice coil)
• System efficiency: 86.7 dB @ 1 W / 1 m
• Mounting style: Infinite-baffle / no dedicated enclosure required (optimized with a large air volume behind the driver, approx. ≥ 1.5 cu ft / 42.5 L)
• Cutout diameter: 7.375 in (187 mm)
• Mounting depth: 5.00 in (127 mm)
• Overall diameter: 8.80 in (224 mm)
• Grille protrusion from mounting surface: 1.45 in (37 mm)
• Marine-duty construction: UV- and corrosion-resistant materials, marine-grade connection terminals, stainless mounting hardware (grille included)
• Sold as: Single subwoofer driver (1 each)

Compatibility & setup notes

• Designed to pair with a 4 Ω-stable marine amplifier. Match amplifier output to the recommended 50–200 W RMS range to avoid damage.
• For infinite-baffle installs, ensure a rigid mounting surface and sufficient open air space behind the driver. If using a dedicated enclosure, follow JL Audio’s recommended designs for this driver.

Reference numbers: OEM 6-8IB-S-GWGW-4 · JL Audio ref 93617 · Garmin/JL Audio item 010-03274-00 · TMP Global SKU JLM6-8IB-S-GWGW-4.

Before ordering: confirm ratings, specifications and fitment for your specific boat and amplifier setup.