THX products finder –THX Certified, THX AAA, THX Spatial Audio
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
Monolith by Monoprice THX-365C THX Certified Ultra Center Channel Speaker (Each) - Monoprice.com
M&K Sound Enters the Heavyweight Subwoofer Class with THX Certified Dominus Subs | Audioholics
Logitech Z623 2.1 Black THX Certified Audio Speaker System with Subwoofer 980-000403 - Newcomme
M&K Sound unveils new line of THX Certified® reference subwoofers
Monolith THX Certified Ultra 2000 Watt Powered Subwoofer - 16-Inch, Low Distortion, RCA and XLR Inputs, for Studio and Home Theater Systems, Matte Black | Amazon price tracker / tracking, Amazon price
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 : Amazon.ca: Electronics