Monoprice Monolith 10, 12 and 15-inch Subwoofers Review - YouTube
Amazon.com: Monolith M-15 V2 15" THX Certified Ultra 1000 Watt Subwoofer Amplifier, Low Distortion, High Power Output, Vented HDF Cabinet, Black : Electronics
Monolith by Monoprice M-10 V2 THX Subwoofer Review | AV Gadgets
I want to buy this but not many reviews. Anyone have one? : r/hometheater
Amazon.com: Monolith Powered Subwoofer - 15 Inch with 1,000 Watt Amplifier, THX Certified, Ideal for Professional Studio and Home Theater : Electronics
Monoprice Monolith 10, 12 and 15-inch Subwoofer Review | Audio Science Review (ASR) Forum