Ключевые слова: acoustic, amp, amplification, amplifier, announce, audio, background, bass, beat, broadcast, close, closeup, decibel, electronic, entertain, entertainment, equipment, indoors, listen, loud, loudspeaker, macro, music, nobody, noise, object, one, sound, speaker, speakers, stereo, still, studio, sub, system, technology, watt, watts, woofer,