Best Buy: Massive Audio Massive GTX Series 8-Inch 400-Watt-RMS Dual 4-Ohm Subwoofer Black Black GTX 84
Soundstage 12" Shallow 250 Watts RMS Single 4 Ohm Subwoofer with 48oz Magnet - Soundstage - HiFi, Car Audio, Home Audio, Canada
Kenwood KFC-W3041 12" 4-ohm component subwoofer at Crutchfield Canada
Old Pickup Truck Alloy Car Design Dual Wireless Speakers Shape High Fidelity Stereo Surround Portable Speaker Outdoor Music Player Supports Tf Card Fm Radio Wheels Can Slide - Temu Canada
JBL PSW-1200 12" Powered Subwoofer. Made in Canada - electronics - by owner - sale - craigslist
Sony XS-W104GS 10" 4-ohm component subwoofer at Crutchfield Canada
1 Pair AVI mxd-100 4 Inch Midrange Device speaker Made In Canada | eBay
One unit (not pair) |12 Inch Woofer for Bass Compensation of Open Baffle or Cabinet | W-12 - Lii Song (Lii Audio), unique speaker, amplfier, quality and cost-saving parts for HiFi DIY