150 watts class "AB" , high efficiency power amplifier
12 dB / Octave variable filter from 40 Hz to 180 Hz
Automatic signal detection circuitry, When in "AUTO" position, it automatically turns on the subwoofer when an audio signal is detected. It also shuts the subwoofer off after 30 minutes if no signal is detected
Status LED indicators. ON when blue, OFF when red
Low level (RCA) audio inputs
Line through (RCA) audio outputs
High level (high level) audio inputs
Line through (high level) audio output
6.5" high power subwoofers
0 - 180 degrees phase shift
Black ash finish