Ключевые слова: acoustic, amplifier, analog, audio, audiophile, bass, box, classic, club, control, device, disco, electrical, electronic, electronics, entertainment, equipment, front, hifi, knob, listen, loud, loudspeaker, metal, meter, music, musical, noise, obsolete, panel, play, player, power, professional, radio, receiver, record, recording, retro, silver, sound, speaker, speakers, steel, stereo, studio, technology, vintage, volume, watts,