MA Audio HK400D

HK400D MA Audio HK400D 400W Digital Mono Amplifier Features: Power Output @ 14.4V DC 1 x 200 Watts RMS @ 4 Ohms 1 x 400 Watts RMS @ 2 Ohms Dimensions: (LxWxD) 10.25" x 7.25" x 2" 12v - 17v DC Power Input Adjustable RCA Gain Control Selectable Low (.1v -2v) and High (2v - 8v) (Except HK3000D) Silver Plated RCA Line Input/Output Silver 4 Gauge Power & 8 Gauge Speaker Connections Frequency Response 15 Hz - 150 Hz 24 dB Variable Subsonic Filter (15Hz - 40Hz) 24 dB Variable Low Pass Filter (50Hz - 150Hz) Remote Gain Control Knob 0 - 18 dB Variable Bass Boost Control (45Hz) 0 - 180 Degree Selectable Phase Control Short/Thermal/Overload Protection Circuitry Strappable with a 2nd Class D Amplifier 2 Ohm Stable (4 Ohm when Strapped) MA Audio 2-Year Warranty $289.95