Features, Low level inputs (RCA), Variable gain adjustment (200mV ~ 6V), Selectable crossover (low pass/full range), Variable low pass crossover, Bass boost (0, 6, 12dB), Selectable subsonic filter (@35Hz), PWM MOSFET power supply, Class AB output design, Extruded aluminum heatsink, Direct-wire connection terminals, Reverse polarity protection, Bi-color LED status indicator Specifications, Power Output (14.4VDC, 20Hz ~ 20kHz), 240 Watts RMS x 1 channel @ 4 ohms, 400 Watts RMS x 1 channel @ 2 ohms, Total dynamic power: 1000 Watts, Frequency response 20Hz ~ 20kHz (-3dB)