Sound amplifiers and preamplifiers, antennas, audio mixers, audio tape recorders, electrical cables and wires, video cassette recorders, blank audio cassettes, blank video cassettes, compact disc players and recorders, blank compact discs, digital audio tape players and recorders, DVD players and recorders, television sets, loudspeakers, loudspeaker cabinets, video monitors, video cameras, motion picture cameras, musical sound recordings, musical video recordings, optical discs, phonographs, movie projectors, radios, receivers, tuners, transceivers, tone controls, electric switch boxes, audio speakers, and electrical power supplies, wireless remote control for use in accessing and controlling audio and video systems, namely, video projectors, film projectors, projection screens, sound amplifiers, sound preamplifiers, tone controls, time delay processors, switch boxes, compact disc players and recorders, DVD players and recorders, laser disc players, turntables, audio cassette players and recorders, video cassette players and recorders, audio speakers, radios, stereo tuners and receivers, video monitors and cameras, telephones, antennas, lighting and satellites