Monoprice Monolith 16in THX Certified Ultra 2000 Watt Powered Subwoofer (Matte Black/Painted) Low Distortion, For Studio and Home Theater Systems - Newegg.com
Amazon.com: Monolith M-12 V2 12-Inch THX Certified Ultra 500 Watt Powered Subwoofer - Low Distortion, High Power Output, Vented HDF Cabinet, RCA and XLR Inputs, for Home Theater Systems, Black Ash Finish :
Monoprice Monolith 15" THX Certified Ported Subwoofer - First Impressions & Review | AVS Forum
Amazon.com: Monolith M-12 V2 12in THX Certified Ultra 500 Watt Powered Subwoofer - Piano Black Finish | Massive Output, Low Distortion, for Studio and Home Theater Systems : Electronics
Monoprice Brings the BOOM with their dual 15" Monolith THX M-215 Subwoofer | Audioholics
Amazon.com: Monolith THX Certified 8in 150-watt Powered Subwoofer, Deep and Powerful Bass, Compact Design, Quick and Easy to Setup, for Home Theater or Gaming Systems : Electronics
Monoprice Monolith 10, 12 and 15-inch Subwoofers Review - YouTube
Monoprice Monolith 10, 12 and 15-inch Subwoofer Review | Audio Science Review (ASR) Forum