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M8W5-SG-WH: 8-inch (200 mm) Marine Subwoofer Driver, White Sport Grille, 4 Ω

SKU: 91164
$199.99
M8W5-SG-WH M-Series 8-inch Marine Subwoofer Driver for Enclosed Use (200 W, 4 Ω) - White Sport 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 M8W5 subwoofers are designed to operate in a compact sealed enclosure. Long excursion capability and rugged suspension systems help produce deep, powerful bass response that will transform your boat's audio system. The M8W5 is best used with amplifier power in the 75W - 200W range and is optimized to operate in a compact 1.0 cu. ft. (28.3 l) sealed enclosure, or a 1.25 cu. ft. (35.4 l) ported enclosure. Detailed enclosure recommendations can be found in the "Specifications" tab. If you need a subwoofer driver that operates without a dedicated enclosure, select one of our Infinite Baffle Subwoofer Drivers instead. Like all JL Audio marine speakers, this driver is built to withstand a real saltwater marine environment and deliver years of listening enjoyment.
Table_Image
Continuous Power Handling (RMS) 200 W
Nominal Impedance (Znom) 4 Ω

 

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Nominal Diameter 8.0 in / 200 mm
Overall Diameter (A) 8.8 in / 224 mm
Bolt Hole Circle Diameter (B) 7.97 in / 202 mm
Motor Outer Diameter (C) 5.50 in / 140 mm
Frontal Grilles Protrusion* (D) 1.45 in / 37 mm
Mounting Hole Diameter (E) 7.375 in / 187 mm
Mounting Depth (F) 5.18 in / 132 mm
Driver Displacement 0.032 cu ft / 0.91 L
Net Weight 6.82 lb / 3.094 kg

 

Free Air Resonance (Fs) 40.53 Hz
Electrical “Q” (Qes) 0.676
Mechanical “Q” (Qms) 13.11
Total Speaker “Q” (Qts) 0.643
Equivalent Compliance (Vas) 0.85 cu ft / 24.07 L
One-Way Linear Excursion (Xmax)* 0.53 in / 14 mm
Reference Efficiency (no) 0.28%
Efficiency (1 W / 1 m)** 85.8 dB SPL
Effective Piston Area (Sd) 35.15 sq in / 0.0227 sq m
DC Resistance (Re) 3.147 Ω

* Xmax specifications are derived via one-way voice coil overhang method with no correction factors applied.
** Efficiency (1 W / 1 m) is not an accurate indicator of a subwoofer’s output capability and should not be used as a comparison to other subwoofers to determine which one is “louder”.

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Description
Table_Image
Continuous Power Handling (RMS) 200 W
Nominal Impedance (Znom) 4 Ω

 

Table_Image
Nominal Diameter 8.0 in / 200 mm
Overall Diameter (A) 8.8 in / 224 mm
Bolt Hole Circle Diameter (B) 7.97 in / 202 mm
Motor Outer Diameter (C) 5.50 in / 140 mm
Frontal Grilles Protrusion* (D) 1.45 in / 37 mm
Mounting Hole Diameter (E) 7.375 in / 187 mm
Mounting Depth (F) 5.18 in / 132 mm
Driver Displacement 0.032 cu ft / 0.91 L
Net Weight 6.82 lb / 3.094 kg

 

Free Air Resonance (Fs) 40.53 Hz
Electrical “Q” (Qes) 0.676
Mechanical “Q” (Qms) 13.11
Total Speaker “Q” (Qts) 0.643
Equivalent Compliance (Vas) 0.85 cu ft / 24.07 L
One-Way Linear Excursion (Xmax)* 0.53 in / 14 mm
Reference Efficiency (no) 0.28%
Efficiency (1 W / 1 m)** 85.8 dB SPL
Effective Piston Area (Sd) 35.15 sq in / 0.0227 sq m
DC Resistance (Re) 3.147 Ω

* Xmax specifications are derived via one-way voice coil overhang method with no correction factors applied.
** Efficiency (1 W / 1 m) is not an accurate indicator of a subwoofer’s output capability and should not be used as a comparison to other subwoofers to determine which one is “louder”.

 

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