CAT

Commercial installation of audio video distribution systems and components, namely, audio speakers, sub-woofers, sub-woofer systems, satellite speakers, professional monitoring/playback loud speakers, digital signal processors, tuners, amplifiers, pre-amplifiers, isolation amplifiers, surround sound decoders, switchers, routers, keypads, remote control devices, and on-screen display devices, for use in home theater systems, home entertainment systems, multi-room home entertainment systems, and commercial audio and video distribution systems