Ключевые слова: 3d, amplifier, analog, analogue, background, boost, button, circle, colors, control, controller, design, device, dial, electrical, electronics, element, equipment, icon, illustration, interface, isolated, knob, level, max, min, mixer, multimedia, music, navigation, panel, performance, power, rotate, round, setting, settings, sound, stereo, study, switch, switcher, symbol, technology, tune, tuner, turn, twist, volume, web,