alat pengubah suara elektronik (transceiver for electronic sound), alat perekam suara dan film (records player digital audio and video disk recordes), amplifier (amplifiers), antena untuk radio (antennas for radio), graphic equalizer (graphic equalizer), kamera (camera), komputer navigasi dan menampilkan peta untuk mobil (navigation computers and map displaying sets for cars and parts), mic (microphones), pemancar radio (radio tuners and receivers), pemutar suara (digital and analog audio players), perekam suara (digital and analog audio tape recorder), perekam video (video tape recorders), Radio mobil (car radio), speaker (speakers), tape mobil (car stereos), telepon (home telephones), telepon selular (mobile phones), televisi (television)