pre-recorded audio [ and video ] tapes; compact discs; [ laser discs; ] DVD discs; video discs; [ phonograph records; ] CD-ROMs all featuring music, movies, dramatic readings, and electronic games; [ home sound systems; stereo systems; home entertainment systems; karaoke systems and home theater systems in which the major components are amplifiers, preamplifiers, tuners, stereo receivers, signal processors, headphones, antennas, audio recorders, audio mixers, compact disc players, recorders, microphones, disc recorders, loudspeakers, audio mixers, multiplexers, tape players, tape recorders, tape drives, audio speakers, electronic effect pedals for use with sound amplifiers, ] and loudspeaker systems consisting of loudspeakers, amplifiers [ and one or more of the following - radio tuner, compact disc player and tape players, stereo sound receivers; ] theater and cinema sound system equipment; sound reproduction equipment; equipment for mixing multi-channel soundtracks and equipment for monitoring multi-channel soundtrack in which the major components are amplifiers, preamplifiers, [ tuners, stereo receivers, ] signal processors, [ headphones, antennas, audio cassette recorders, ] audio mixers, [ compact disc players, recorders, microphones, disc recorders, ] loudspeakers, audio mixers, multiplexers, [ tape players, tape recorders, tape drives, ] audio speakers, [ electronic effect pedals for use with sound amplifiers, and ] loudspeaker systems consisting of loudspeakerss, amplifiers [ and one or more of the following - radio tuner, compact disc player and tape players, stereo sound receivers ]