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The Rockville MS12LW is a 12-inch marine subwoofer rated at 700W RMS and 2800W peak, with dual 4-ohm voice coils and a free-air design that needs no enclosure. Its polypropylene cone, rubber surround and molded ABS basket are built for salt, water and UV exposure, and a blue LED ring adds glow after dark. It suits boat owners who want strong low-end from a modest amplifier and can mount a sub in a panel or cutout. Against sealed-enclosure marine subs it trades some deep-bass control for simpler installation and flexible wiring.
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The Rockville MS12LW is a 12-inch marine subwoofer for boat audio systems. It is rated at 2800W peak and 700W RMS, with a frequency range of 20Hz to 4kHz.
It has a polypropylene cone with a rubber surround and a molded ABS basket. The materials are marine-grade, UV-treated and resistant to salt and water. A 100 oz double-stacked magnet supports power handling, and integrated blue LED lighting is included.
The free-air design needs no enclosure. Dual 4-ohm voice coils allow different wiring options. Sensitivity is 90dB (88dB @1W/1m), so it works with smaller amplifiers.
