Amazon.com: Monolith THX Certified Satellite Speakers (Pair) Compact Form Factor, Wall Mounting Keyhole, MDF Enclosures, Easy to Connect, for Home Theater or Gaming Systems : Electronics
THX products finder –THX Certified, THX AAA, THX Spatial Audio
Amazon.com: Monolith M518HT THX Certified 5.1 Channel Home Theater System, 150‑Watt Powered Subwoofer, for Home Audio System or Gaming Systems, USB, HDTV Ultra HD, Home DVD, FM Radio : Electronics