Klipsch RS-10 Surround Speaker Klipsch RS-10 delivers precise sonic detail through the careful positioning of two Tractrix Horn loaded titanium-dome tweeters. The woofer on the RS-10 still features Klipsch's distinctive, copper-colored Cerametallic material. As in all Reference Series speakers, the RS-10 crossover network is constructed using extremely high-quality components Comes with a back-panel keyhole for on-wall mounting and a threaded insert for attachment to popular adjustable wall