JL Audio M7-12IB-S-GwGw-i-4 Marine Subwoofer Driver with Transflective™ LED Lighting
M7 12-inch Marine Subwoofer with Transflective™ LED Lighting for Infinite-Baffle Use (600 W, 4 Ω) - Gloss White Trim Ring, Gloss White Sport Grille
Engineered as the reference standard for marine subwoofer performance, the M7-12IB is capable of producing staggering amounts of jaw-dropping bass in infinite-baffle applications.
Built to withstand real-world marine duty, this M7-12IB is designed to operate without a dedicated enclosure. It boasts a monstrous 4-inch voice coil and rugged suspension system to deliver outstanding linear excursion for high output and power handling.
The patent-pending Transflective™ RGB LED technology emits a smooth lighting effect through the woofer cone, with a choice of several lighting colors. Add an optional RGB controller to create thousands of color variations. Professional installation is strongly recommended.
M7-12IB is best used with amplifier power in the 200W – 600W range and is optimized to operate with a large volume of air behind it (at least 3 cu. ft. / 84.95 l).
Like all JL Audio marine speakers, this driver is built to withstand a real saltwater marine environment and deliver years of listening enjoyment.
Diameter : 12 Inch
Impedance : 4 Ohm
Peak Power Handling : 600 Watts
Color : White
Free Air : Yes
Continuous Power Handling (RMS): 600 W
Nominal Impedance (Znom): 4 ohms
Nominal Diameter: 12.00 in / 300 mm
Overall Diameter: 14.00 in / 356 mm
Bolt Hole Circle Diameter: 12.813 in / 325 mm
Frontal Grilles Protrusion*: 1.48 in / 38 mm
Mounting Hole Diameter: 12.0625 in / 306 mm
Mounting Depth: 7.94 in / 202 mm
Driver Displacement: 0.148 cu ft / 4.19 L
Net Weight: 25.35 lbs / 11.5 kg
*Frontal grille protrusion measured from mounting surface
Free Air Resonance (Fs): 35.34 Hz
Electrical “Q” (Qes): 0.856
Mechanical “Q” (Qms): 10.389
Total Speaker “Q” (Qts): 0.791
Equivalent Compliance (Vas): 1.99 cu ft / 56.35 L
One-Way Linear Excursion (Xmax)*: 0.73 in / 18.5 mm
Reference Efficiency (no): 0.28%
Efficiency (1 W / 1 m)**: 86.7 dB SPL
Effective Piston Area (Sd): 80.54 sq in / 0.052 sq m
DC Resistance (Re): 3.543 ohms
* 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”.
Infinite Baffle Use: Yes (preferred)
Min. Sealed Enclosure Volume: 2.0 cu ft / 56.6 L (or larger)
Optimum Sealed Enclosure Volume: 3.0 cu ft / 70.8 L
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Warranty: 2 Years Manufacturer warranty.
This item is accompanied by a manufacturer's warranty. If it is found to be defective, it may be returned to OnlineCarstereo.com for replacement within 1 year from the original date of purchase with proper return authorization.
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