12" woofer ; 1,300W max, 350W nominal; Cellulose fiber cone; Urethane surround; Built-in 300W Class D amp; Variable bass boost (0dB-12dB, 40Hz-100Hz); Gain & frequency control at side panel; Freq resp: 20Hz-125Hz; Sensitivity: 114dB @ 1W/1m; Carpeted, trapezoidal prism enclosure shape for nonslip, durable & scratch-resistant surface; Can be installed in multiple locations; Includes wired remote bass control knob, power/ground/remote wiring harness & manual;