XS-AW8 | 8" (20cm) Compact Powered Subwoofer | XS-AW8 | Sony Asia Pacific
BMW E60 65136929102 | recycleBMWs.com | Used BMW Parts
Amazon.com: Massive Audio Powered Car Subwoofer BOOM88 Car Woofer Under Seat Slim Hideaway - Low Profile Compact Underseat Woofer with Amazing Sound - Built in Amplifier, 8 Inch 400 Watt, Gain Remote Include : Electronics
Infinity BassLink SM 2 Compact powered subwoofer with 8" sub and 125-watt amp at Crutchfield