RetroSound Under Seat Sub 8 Inch Amplified Subwoofer with Wiring Kit & Bass Remote. RetroSound® SUB8100 8-inch Amplified Subwoofer Compact, powerful, and discrete, the RetroSound® SUB8100 is the ideal solution to fill in the lower frequencies missing from your classic rides stereo system. The SUB8100 has a built-in Class D digital amplifier powering an ultra-thin 8 subwoofer in a rugged aluminum enclosure. With a low profile of 2.75 inches and a footprint of just 9.25 inches x 13.75 inches, the SUB8100 is perfect for trucks and other classic vehicles with no space for an amplifier and subwoofer set up. The continuous low-pass crossover and phase switch let you dial in the perfect amount of bass for your system, with remote gain control that allows for level adjustments on the road. 8-inch powered subwoofer system Built-in 100 watt Class D digital amplifier Remote gain control Built-in continuously variable crossover Speaker level and RCA low-level inputs Rugged cast enclosure Works with any aftermarket radio via high level input/wiring harness Rugged cast aluminum enclosure Dimensions: 9.25 in x 2.75 in x 13.75 in (23.5 cm x 7 cm x 35 cm). RetroSound® SUB8100 8-inch Amplified Subwoofer. Compact, powerful, and discrete, the RetroSound® SUB8100 is the ideal solution to fill in the lower frequencies missing from your classic rides stereo system. 8-inch powered subwoofer system. Built-in 100 watt Class D digital amplifier. Built-in continuously variable crossover. Speaker level and RCA low-level inputs. Works with any aftermarket radio via high level input/wiring harness. Rugged cast aluminum enclosure. Dimensions: 9.25 in x 2.75 in x 13.75 in (23.5 cm x 7 cm x 35 cm). 10.5-16 volts DC. Signal to Noise Ratio. 10 amps x 1. Size (W x H x L). 9 ¼ ” x 2 ¾” x 13 ¾ / 350mm x 70mm x 235mm. 9lbs / 4.08Kg. To be eligible for a return, your item must be unused and in the same condition that you received it, and it must be in the original packaging. By visiting our website and/or purchasing something from us, you are deemed to have accepted these terms and conditions. A downloadable software product or a software, voucher codes, gift cards or gift wrapping service.