MB Quart FA1-400.4 Formula Series 4 x 50 Watts @ 4 ohms, 4 x 100 Watts @ 2 Ohms , 2 x 200 Watts Bridged @ 4 Ohms MB Quart Formula series four channel car audio amplifier featuring innovative sound quality and power technology. The FA1-400.4 is a 400 watt bridgeable car audio amplifier. Formula amplifiers feature DC Sensing to allow any amplifier to be easy integrated into an OEM system by simply adapting a RCA cable from the source unit.
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