THX products finder –THX Certified, THX AAA, THX Spatial Audio
THX products finder –THX Certified, THX AAA, THX Spatial Audio
Logitech Z623 THX 2.1 Speaker System with Subwoofer, THX Certified Audio, 400 Watts
Monolith THX Certified 5.1 Home Theater System, with 150‑Watt Powered Subwoofer | eBay
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
NeweggBusiness - Logitech Z625 Powerful THX® Certified 2.1 Speaker System with Optical Input
Logitech Z623 THX 2.1 Speaker System with Subwoofer, THX Certified Audio, 400 Watts