Ключевые слова: acoustic, audio, audiophile, background, bass, beat, black, box, broadcasting, circle, closeup, disco, electronic, equipment, frequency, hiend, hifi, large, listening, loud, loudspeaker, low, membrane, multimedia, music, musical, power, professional, pulsating, recording, rock, round, sound, speaker, stereo, studio, subwoofer, system, technology, treble, vibration, volume, waves, white, wood, woofer,