The NVX BOOST series amplifiers combine over four decades of car audio experience to bring you outstanding power output. The sleek BOOST amplifiers were designed for efficient power output without taking up too much space in your car. BOOST amplifiers feature high quality platinum finish connections to prevent corrosion while also providing an electrical connection that won't bog down your system's performance. Integrated overload, short circuit, thermal and reverse polarity circuit protection ensure Boost series amplifiers will b e powering your system for the foreseeable future. The BDA7501 monoblock includes a wired remote bass knob and puts out up to 750 watts of clean RMS power to drive your subwoofer. Variable lowpass filter (50250 Hz, 24 dB.octave) Variable subsonic filter (1050 Hz, 24 dB.octave) Variable bass boost (0 to 18dB bass boost50 Hz) Frequency response 20500 Hz Input sensitivity 250mV6.0V High quality platinum finish connections 4 gauge power and ground wiring is required for installation