12"; 430W max, 200W RMS power; Freq resp: 23Hz-180Hz variable ; Sensitivity: 90dB ; Signal-to-noise ratio: >80dB ; Imp: 8ohm ; Down-firing, heavy-duty long-throw subwoofer with Venturi-tuned port & high-power magnet; BASH-technology-powered amp ; Adjustable crossover, adjustable volume control & auto on/off signal sensing ; Dolby(R) Pro Logic(R) & Dolby(R) Digital/DTS(R) LFE inputs ; High level inputs & outputs with gold-plated terminals; Dim: 18.5"H x 17"W x 14"D; 7-year warranty on woofer & 2-year limited warranty on amp & associated electronics; Black; Each;