Ключевые слова: amplifier, amplify, audio, background, black, board, broadcast, broadcasting, button, channel, closeup, concert, console, control, desk, digital, dj, electric, electronic, engineer, entertainment, equalizer, equipment, industry, instrument, knob, level, media, mix, mixer, mixing, music, musical, musician, panel, party, producer, production, professional, radio, record, recording, sound, stereo, studio, switch, system, table, technology, volume,