VCD, pesawat TV, Radio, CD, VCD Player, speaker, equalizer, tape recorder, compact dis player, professional speaker sistem, tuner, radio, pesawat computer, perangkat lunak computer, mesin penjual, mainan video, aparat untuk merekam , microphone, kabel audio, pesawat penggerak otomatis, kamera, kamera digital, ballast, antena parabola, trafo, audio mixer, batu battery, sound processor, mesin telex, bel pintu listrik, booster