Amazon.com: Dual Electronics BP1204 High Performance 12 inch Car Audio Subwoofer in a Tuned Bandpass Enclosure with Blue illumiNITE LED illumination and Plexiglass Viewing Windows and 1,100 Watts of Peak Power : Electronics
DUAL ALB10 300 Watt Powered 10" Car Audio Subwoofer in Ported Sub Box+Amp Kit - Rockville Audio
Q POWER Dual 10 in. Vented Port Subwoofer Sub Box Enclosure 32 in. x 12 in. x 14.5 in. QBASS10 - The Home Depot