Exactly!! Take that THX money and buy yourself some comfortable seating, a rolling curtain, (if you're using a projector) or some fancy wall sconces.:banana:
https://www.technobuffalo.com/does-thx-certification-matter
Sam is absolutely correct.
Having THX certified equipment is one thing. People seem to forget the "room" must also be constructed to meet THX requirements. For a small home theatre it's a waste of time and MONEY!!! To drive the speakers at normal THX levels most folks couldn't stay in the room.