Ключевые слова: acoustic, audio, audiophile, background, bass, black, box, broadcasting, closeup, cone, dark, digital, digitally, dolby, electrical, electricity, electronic, entertainment, equipment, gray, horizontal, listening, loud, loudspeaker, macro, membrane, modern, multimedia, music, musical, object, power, professional, recording, round, shot, sound, speaker, stereo, studio, subwoofer, system, technology, therapy, up, volume, white,