Monoprice 12 Inch 150 Watt Powered Subwoofer, Black (109723) : Amazon.ca: Electronics
Monoprice 16in THX Certified Ultra 2000 Watt Powered Subwoofer (Matte Black/Painted) Low Distortion, for Studio and Home Theater Systems, 142031 : Amazon.ca: Electronics
Monoprice Premium 5.1.4 Channel Immersive Home Theater System with Subwoofer | Walmart Canada
Monoprice 12 Inch 150 Watt Powered Subwoofer, Black (109723) : Amazon.ca: Electronics
Monolith 12 Inch Powered Subwoofer - Black | THX Select Certified, 500 Watt Amplifier, 12 Inch Driver for Studio & Home Theater : Amazon.ca: Electronics