Soundstage 12" Shallow 300 Watts RMS Dual 4 Ohm Subwoofer with 48oz Magnet - Soundstage - HiFi, Car Audio, Home Audio, Canada
Amazon.com: Skar Audio SDR-10 D4 10" 1200 Watt Max Power Dual 4 Ohm Car Subwoofer : Electronics
Kicker 44DCWC122 Ported enclosure with dual 12" CompC subwoofers at Crutchfield Canada
Dual PB-1000 Pro – SVS
KC62 Subwoofer
Soundstage BA Series Dual 12" 600 Watts RMS Combined Loaded Subwoofer Enclosure (SSBA212) | Visions Electronics Canada
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
SVS 3000 In-wall Dual Subwoofer System Pair of dual-subwoofer in-wall enclosures and amplifier at Crutchfield Canada
Soundstage Bass Party Pack System with Dual 10" Subwoofer, Vented Enclosure and Mono Amplifier - Soundstage - HiFi, Car Audio, Home Audio, Canada