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Home » Shop » Marine Subwoofers » JL Audio M6 8-inch Thin-Line Marine Subwoofers

JL Audio M6 8-inch Thin-Line Marine Subwoofers

Original price was: $450.00.Current price is: $274.75.

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SKU: 010-03875-00 Category:
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Elevate your marine sound system with this shallow-mount 8″ subwoofer that’s easy to install wherever you need it most.

Features

  • HIGH-END 8″ THIN-LINE Marine subwoofer
  • INFINITE-BAFFLE Design
  • DOG-LEG Mounting system
  • Only 3.8″ (96.5 MM) mounting depth
  • Paintable grille to match your boat’s finish
  • Round or square grille options
  • Shallow Mount: With a mounting depth of only 3.8″ (96.5 mm), it’s easy to add a subwoofer on the exterior of your boat or anywhere inside the cabin.
  • Easy to Install: An infinite-baffle design allows for installation without a dedicated enclosure. Our dog-leg mounting system allows for placement in a variety of materials and locations — without the need for a backplate.
  • Luxe Grille: This sleek low-profile grille magnetically attaches to your subwoofer to stay in place — even in rough seas.
  • Real Marine Duty: For long-term use, all models are built to withstand true saltwater marine environments and deliver years of listening enjoyment.

In the box

  • JL Audio® M6 marine thin-line subwoofer (based on selection)
  • Grille removal tool
  • Mounting template
  • Documentation

Compatible devices

Device
JL Audio M6 enclosed tower speakers
JL Audio M6 marine speakers
JL Audio MVi marine amplifiers
JL Audio XDM car and marine amplifiers
JL Audio MHD marine amplifiers
Fusion Apollo MS-RA800 marine stereo
Fusion Apollo MS-RA670 marine stereo

Specifications

Technical specifications — 8″ with Round, White Luxe Grille
Warranty 3 years
Sizes 8″ (Round)/8″ (Square)
Colour Luxe satin black or Luxe satin white
Physical dimensions (Diameter) 254 mm (10″)
Physical dimensions (Depth) 8″ (Round): 107 mm (4.2″) 8″ (Square): 105 mm (4.1″)
Weight 3.4 kg (7.5 lbs)
Water and dust rating IPX5
Speaker type Infinite Baffle
Continuous power handling (RMS) 250 W
Sensitivity (SPL @ 1 W/1 m) 83.2 dB
Nominal impedance 8 Ω
Recommended amplifier power (RMS) 50-200 W
Cone material Injection-molded, mica-filled polypropylene
Compass safe distance 235 cm (93″)
Speaker connections Spade Connectors
Mounting panel thickness Minimum: 6 mm (0.25″) Maximum: 41 mm (1.625″)
Mounting depth clearance 96.5 mm (3.8″)
Frontal grille protrusion 8″ (Round): 10 mm (0.4″) 8″ (Square): 9 mm (0.34″)
Mounting hole 229 mm (8.96″)
Driver displacement 1.53 L (0.054 cu Ft)
Free Air Resonance (FS) 37.98 Hz
Electrical “Q” (Qes) 0.731
Mechanical “Q” (Qms) 9.471
Total “Q” (Qts) 0.679
Equivalent Compliance (Vas) 17.31 L (0.61 cu Ft)
One-way linear excursion (Xmax; specs are derived via one-way voice coil overhang method with no correction factors applied) 10 mm (0.40″)
Effective piston area (SD) 0.0211 m² (32.705 in²)
DC resistance (RE) 7.24 Ω
Volume (net int.) 47 L (1.66 cu Ft)
-3 dB cutoff frequency (F3) 40.9 Hz
System resonance (FC) 53.66 Hz
System Q at resonance (QTC) 0.784
Volume (net int.) 42.5 L (1.5 cu Ft)
Internal port diameter (ID) 102 mm (4″)
Port length (L) 343 mm (13.5″)
Tuning frequency (FB) 37 Hz
-3 dB cutoff frequency (F3) 29.6 Hz
Security updates until at least (YYYY-MM-DD) 2028-01-26