Nakamichi Subwoofer Active NBF80R

PWM power supply; RCA input/high level input; Remote control for subwoofer level; Phase switch 0 or 180?; Adjustable input sensitivity; Bass boost 0-12dB @80Hz; Subsonic filter 20Hz fixed; LPF filter 60-150Hz; Power 150W @20hm @100Hz 1000max; Auto turn on/off; soft delayed remote turn on; protection ciruit (thermal, short, overload); Passive radiator 185x52mm (2pcs); Slim woofer 8inch 2ohm; Dimensions 345x250x80mm