HiFonics Zeus Subwoofer Bandpass ZRX-12DUAL - Hifonics
Amazon.com: Dual Electronics BP1204 High Performance 12 inch Car Audio Subwoofers in a Tuned Bandpass Enclosure with Blue illumiNITE LED Illumination and Plexiglass Viewing Windows and 1,100 Watts of Peak Power : Electronics
Dual SBX100 Non-Powered 10" Car Audio Subwoofer in a Slot Vented Enclosure
GX 10" High Performance Dual 4-Ohm Subwoofer - Phoenix Gold
Dual SB-1000 Pro – SVS
TNE212DV Dual 12" TERMINATOR Series 1000-Watt Peak Power Subwoofer Enclosure | MTX Audio - Serious About Sound®
Dual Electronics - 10" Subwoofer in a Vented Enclosure - SBX101
Amazon.com: Dual Electronics SBX212i 12-inch illumiNITE High Performance Studio Enclosed Subwoofers with 1,200 Watts of Peak Power & 41-Ounce Magnets : Electronics