Monoprice Monolith 10, 12 and 15-inch Subwoofer Review | Audio Science Review (ASR) Forum
Amazon.com: Monolith THX Certified Ultra 2000 Watt Powered Subwoofer - 16-Inch, Low Distortion, RCA and XLR Inputs, for Studio and Home Theater Systems, Matte Black : Electronics
Monoprice Monolith 13in THX Ultra Certified 2000 Watt Powered Subwoofer Massive Output, Low Distortion, For Studio and Home Theater Systems - Newegg.com
Monolith 15 vs SVS PB16 Subwoofer Showdown - YouTube
Amazon.com: Monolith THX Certified Ultra 2000 Watt Powered Subwoofer - 16-Inch, Low Distortion, RCA and XLR Inputs, for Studio and Home Theater Systems, Matte Black : Electronics