-high current power mosfet power supply -high and low level input for increased voltage ans cleaner sound -thermal protection -subwoofer 10" with slim body -power 400 max rms -impedance 4 ohm -total harmonic distortion (thd) -signal to noise ratio > 90db -frequency response 20hz-150hz -low pass crossover 50hz-150hz -thin type aluminum box -high power and low distortion amplifier -400 max output power