JL AUDIO 10 Inch Marine Subwoofer Driver, Gloss White Classic Grille - M3-10IB-C-Gw-4

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M3 10-inch Marine Subwoofer for Infinite-Baffle Use (175 W, 4 Ω) - Gloss White Classic Grille

With appropriate system setup, the addition of a subwoofer allows your smaller main speakers to be free of the burden of reproducing low frequencies. This allows your whole system to play louder and to sound cleaner at all listening levels.

Purpose-engineered and built for real marine duty, the M3 infinite-baffle subwoofers are designed to operate without a dedicated enclosure and are targeted towards moderate power applications.

The M3-10 is best used with amplifier power in the 50W - 175W range and is optimized to operate with a large volume of air behind it (at least 2 cu. ft. / 56.6 l). If you need a Subwoofer that operates in a small sealed enclosure, select our M6-10W, instead.

Like all JL Audio marine speakers, this driver is built to withstand a real saltwater marine environment and deliver years of listening enjoyment.

General Specifications

  • Continuous Power Handling (RMS):175 W
  • Nominal Impedance (Znom):4 Ω


  • Free Air Resonance (Fs):41.84 Hz
  • Electrical “Q” (Qes):0.806
  • Mechanical “Q” (Qms):11.751
  • Total Speaker “Q” (Qts):0.754
  • Equivalent Compliance (Vas):1.29 cu ft / 36.53 L
  • One-Way Linear Excursion (Xmax)*:0.42 in / 11 mm
  • Reference Efficiency (no): -    
  • Efficiency (1 W / 1 m)**:87.23 dB SPL
  • Effective Piston Area (Sd):50.68 sq in / 0.0327 sq m
  • DC Resistance (Re):3.957 Ω

Enclosure Specifications

  • Infinite Baffle Use:Yes (preferred)
  • Min. Sealed Enclosure Volume:2.0 cu ft / 56.6 L (or larger)
  • Optimum Sealed Enclosure Volume:2.5 cu ft / 70.8 L


Marine Materials / Testing


The design of marine products requires extensive materials testing to achieve reliability and longevity.

Detailed Information:

Building serious marine products requires a real commitment to environmental testing and materials specification. To this end, JL Audio has invested in Ultraviolet testing chambers (to simulate years of sun exposure) and Salt Fog chambers (to simulate years of exposure to salt-water environments). This testing is critical to building products that will not only sound great in your boat, but will also sound great for many, many years.

Materials Used:

  • injection-molded mica-filled polypropylene cone bodies with synthetic rubber surrounds, specifically formulated with UV inhibitors for marine duty.
  • Marine-grade, synthetic fiber spiders with progressive roll designs to withstand high humidity.
  • Specifically engineered polymer baskets are corrosion and UV-resistant and encapsulate the woofer's motor system to prevent corrosion.
  • Gold-plated, marine-grade brass connection terminals
  • Marine-grade stainless steel mounting hardware is included.

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