Ключевые слова: acoustics, adjustment, amplifier, audio, bass, calibration, check, concert, control, dj, equalizer, equipment, event, frequency, installation, large, live, loudspeaker, microphone, music, output, performance, professional, recording, rehearsal, setup, signal, sound, speaker, stage, stereo, studio, surround, system, technician, technology, testing, treble, volume,