Monoprice Stage Right 10-Inch Powered Studio Multimedia Subwoofer - (605999) Black : Musical Instruments - Amazon.com
Monoprice Monolith 10 Inch Powered Subwoofer - Black | THX Select Certified, 500 Watt Amplifier, 10 Inch Driver For Studio & Home Theater Audio / Video Accessories - Newegg.com
Amazon.com: Monoprice Stage Right 10-Inch Powered Studio Multimedia Subwoofer - (605999) Black : Musical Instruments