To help match the best speakers and receivers for your listening needs, THX has established certification categories to ensure your home theater system can deliver crisp, clear THX Reference Level sound in the room size you desire.

Great sound can really bring out the power of high definition video. And speaker placement is essential to experiencing the true impact of movies, music and games. THX offers speaker set up and positioning tips for 7.1, 5.1 and desktop speaker systems.

How do you calculate the best seat-to-screen distance for a plasma, LCD TV or projection screen? Divide the size of your screen by .84 (screen size is measured diagonally).

Before buying speakers or a receiver, check out the THX Audio Buyer Guide to help find the right products for your home theater.

Looking for the right plasma, LCD TV or projector? Check out these helpful tips before your next trip to the mall.

The uncompromising THX standards and exclusive THX technology features deliver cinema volume and fidelity with no distortion.

Speakers engineered by THX let you experience every bass note, sound effect and dialogue exactly like it is mixed in the studio.