Monoprice Monolith THX-365IW THX Ultra Certified 3-Way In-Wall Speaker, 1in Silk Dome Tweeter With Neodymium Magnet and Copper Shorting Ring, For Home Theater - Newegg.ca
Logitech THX Z-5300 5.1 Computer Speakers w/ controller Complete System Works | eBay
Klipsch THX-5000-SUR Surround Speakers (Sold in Pairs) – Klipsch Canada