EACH.
As part of the THX® family, the THX-5000-SUR surround loudspeaker with Klipsch Wide Dispersion Surround Technology™ (WDST) brings a new dimension of reality to home theater by using the same high-performance technology as the Klipsch professional cinema systems.
Features:
Two 5.25-inch Cerametallic™ woofers
Dual 5-inch square Tractrix® Horn tweeters
Top-of-the-line internal wiring