Tough sub for tight spaces RetroSound designed their low-profile SUB-8100 powered sub to give you solid bass in regular cab trucks, classic cars, and other vehicles that don't have much space to spare.
The enclosure comes in at just 3" thick, so it'll fit behind or under a seat with room to spare. A 100-watt RMS amplifier powers the 8" sub, and they're perfectly matched to give your ride the bass it's been missing. Cast aluminum enclosure
The rugged aluminum enclosure protects the sub and amp while dissipating heat caused by heavy, extended listening. You can use the variable low-pass crossover and phase switch to maximize the bass in your particular vehicle.
Retrosound includes mounting hardware, so all you'll need is an amp wiring kit to get great bass in your vehicle. compact powered subwoofer 8" woofer built-in 100 watts RMS amplifier frequency response: 35-100 Hz variable low-pass crossover (50-100 Hz) adjustable phase control (0 or 180 degrees) preamp- and speaker-level inputs dimensions: 10"W x 3"H x 13-7/8"D warranty: 1 year