Ключевые слова: 3d, acoustic, bass, box, cassette, cd, concert, design, device, digital, disco, dj, electronic, entertainment, equipment, flat, hifi, home, illustration, isometric, listen, loud, loudspeaker, media, modern, multimedia, music, music systems, musical, pattern, play, player, radio, record, recorder, retro, seamless, sound, speaker, stereo, surround, system, technology, vintage, voice, volume, woofer,