MB Quart FA1-1500.1 Formula Series 1500 Max Power, Monoblock Subwoofer Car Audio Amplifier, Class-D. Check Specifications For Specific Frequencies For This Amplifier. Mono only operation mode. Hi Level Inputs - The DC Signal Sense switch allows the amp to turn on when a signal is received on the RCA inputs, so an amplifier remote turn on wire is not needed to turn on the amplifier (this feature can be turned off).
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