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

JLM6-8IB-S-GWGW-4


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Regular price £373.06 GBP
Sale price £373.06 GBP Regular price
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Product Specifications and Features


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.

Shipping Information

All orders ship from the UK. Orders placed Monday–Thursday before 12:00pm are processed same day. Orders placed Friday after 12:00pm through Sunday are processed the following Monday. Processing times vary by stock location.

Out of stock items can be back-ordered with a typical 3–4 week lead time.

If an item shows "Dispatch Available Today" and you order after 2pm UK time, processing begins the next business day.

All times are in UK BST.

Notice: Due to ongoing conflicts impacting logistics, some deliveries or re-stocking may take a little longer than expected. We're working to get your order to you as quickly as possible.

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