8" x 5.25" woofer ; 160W max, 50W nominal; Aluminum cone; Urethane surround; Built-in Class D amp; Digital Bass Control tailors frequency response & increases performance with selectable Deep or Dynamic listening modes; Gain, LPF, phase & bass modes controllable at remote; Freq resp, Deep Mode: 20Hz-200Hz; Freq resp, Dynamic Mode: 40Hz-160Hz; Sensitivity, Deep Mode: 95dB @ 1W/1m; Sensitivity, Dynamic Mode: 100dB @ 1W/1m; Rectangular dome-shape enclosure; Can be installed in multiple locations including small, tight spaces such as behind seats, under seats or inside small storage compartments; Includes wired remote bass control knob, power/ground/remote wiring harness & manual;