Ключевые слова: amplifier, audio, background, black, board, broadcast, business, button, channel, closeup, console, control, digital, effects, electric, electrical, electronics, equaliser, equalizer, equipment, focus, graphic, image, industry, instrument, knob, media, mix, mixer, mixing, music, musical, nobody, outdoor, outdoor party, panel, party, producer, professional, push, rack, radio, record, selective, sound, stereo, studio, switch, technology, volume,