Ключевые слова: adjustment, amplifier, amplify, audio, background, black, blue, board, bottons, business, button, computer, concert, construction, control, controller, desaturated, design, dj, electronic, engineer, entertainment, equalizer, equipment, gradiant, hand, interactive, knobs, level, levers, manual, midi, mixer, mode, multi, music, musician, news, paper, performance, radio, recording, retro, sound, studio, technology, tune, vintage, volume, white,