JBL Control HST 5.25-Inch Surface Mount SpeakerThe JBL Control HST 5. 25 Inch Surface Mount Speaker provides a flatter resulting frequency response along with a consistent sound character throughout the room. The patent pending design includes a wall facing woofer, two horizontally splayed tweeters, a wall bracket that spaces the speaker the required distance from the wall, and a tapered cabinet that provides proper loading and dispersion of the sound. With most on wall (surface mount) speakers,