Ключевые слова: acoustic, amplifier, article, audio, back, background, bass, black, box, circle, concert, design, digital, disc, electronic, element, entertainment, equipment, graphic, icon, illustration, isolated, listen, loud, loudspeaker, metal, modern, multimedia, music, musical, object, party, play, power, radio, rock, set, sound, speaker, speakers, stereo, study, symbol, system, technology, voice, volume, white, woofer,