VCD Player, DVD player, speaker aktif, kaset (cassette), pita cassette, pita video disk recorder, laser disk, piringan hitam, compact disk (audio, video), pesawat W, EVD player, CC1V, portable DVD, LCD W, LCD monitor, plasma W, CRT monitor, MP3 player, MPEG4 player, portable media player, komputer, flash disk, flash memory, digital camera, digital video camera, digital surveilance system, digital video recorder, DVD recorder, EVD recorder, car DVD player, car roof mount DVD player, car roof mount monitor, active speaker, speaker, stabilizer, stavol, FM Transmitter, FM receiver, headphone, earphone, FM wireless headphone, wireless CC1V, wireless active speaker, bluetooth headset, bluetooth headphone, bluetooth speaker, gramaphone, pickup, rewinder, amplifier, microphone, megaphone, optik, kaca mata, lensa-lensa, mikroskop, teropong, teleskop, pesawat komunikasi, telephone, walky talky, handy talky, pesawat telex, pita-pita magnetik, antena, booster, radar, parabola, accu, baterai, batu baterai, bel listrik, kabel telepon, transformator, travo, ballast, stepup, stepdown, mesin faksi mili, mesin hitung, kalkulator, kas register, mesin teleks, printer, pesawat-pesawat ukur, speedometer, ampere meter, meteran listrik, volta meter, modem­modem, monitor (program komputer), cpu, stop kontak, sakelar, switch-switch, fiting-fiting, kombinasi fiting, stecker, sonar, seterika listrik, mesin fotocopy, disket, pesawat-pesawat pemadam api, alat solder listrik