THE THX-5000-SUR IS A THX® ULTRA2 CERTIFIED LOUDSPEAKER. It was designed for high performance 5.1-, 6.1-, and 7.1-channel home theaters. It is a great choice for any hometheater or home-theater/ music system that demands superior sound and high output capability. The speaker’s compact sealed enclosure maximizes installation flexibility. Integrated into the back-panel are vertically aligned keyholes for wall mounting as well as 1/4” - 20 threaded inserts compatible with any high quality wall/ceiling speaker mount rated for 20lbs or higher loads.