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  • Image of a marine speaker on a white background.

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Marine Subwoofer 10" JL Audio M3 Infinite-Baffle, 175W RMS 4Ω, Gunmetal Sport Grille, OEM M3-10IB-S-GM-4 / 010-03071-00

JLM3-10IB-S-GM-4

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£352.90 GBP
£352.90 GBP
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Product Specifications and Features

The JL Audio M3-10IB-S-GM-4 is a genuine 10-inch marine infinite-baffle (free-air) subwoofer designed to deliver smooth, punchy bass in boats where space for a large enclosure is limited. Finished with a Gunmetal Sport grille, it’s purpose-built for harsh marine environments and moderate-power systems.

  • JL Audio model: M3-10IB-S-GM-4 (Sport grille, Gunmetal)
  • Manufacturer/OEM ref: 010-03071-00
  • TMP SKU: JLM3-10IB-S-GM-4

Key specifications

  • Size: 10 in (250 mm)
  • Power handling: 175 W RMS (recommended amplifier range: 50–175 W)
  • Impedance: 4 Ω (single voice coil)
  • Installation type: Infinite baffle / free-air (preferred)
  • Also suitable for sealed enclosures: 2.0 cu ft minimum, 2.5 cu ft optimum
  • Sensitivity: 87.23 dB (1W/1m)

Mounting dimensions (confirm before cutting)

  • Overall diameter: 10.75 in (273 mm)
  • Cutout (mounting hole) diameter: 8.875 in (225 mm)
  • Mounting depth: 5.12 in (130 mm)

Construction highlights

  • Centrex® polymer basket/grille with stainless steel back plate for corrosion resistance
  • Injection-molded, mica-filled polypropylene cone with synthetic rubber surround
  • Gold-plated, marine-grade brass binding posts

Before ordering: confirm ratings, specification and fitment before ordering. Match amplifier power to the recommended range and verify cutout/depth clearance for your intended mounting surface.

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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