Earthquake Supernova Subwoofer MKVII-12SEALED Front Firing Powered Subwoofer

Built-in, flush mount, 600-Watt high efficiency class "J" amplifier with advanced active room correction. Passive tuned with Earthquake exclusive SLAPS patented passive radiator system (Ported models only). Phase delay 0-20ms. ±6dB 20Hz, 30Hz and 40Hz room correction. IR input. 40Hz - 20Hz crossover with bypass switch. Auto ON/OFF switch. Subsonic filter. 110-120V/220-240V voltage selection switch. 0 - 180° phase shift. XLR, RCA and high level speaker inputs.