sound board music mixer - knobs and sliders

adjust adjuster adjustment amplifier analog audio balance bandwidth bass board broadcast broadcasting button channel closeup club concert console control controller deejay desk device digital editing electric electrical electricity electronic engineer entertainment equalizer equipment frequency industry input instrument knob level lever line machine media mix mixer mixing mixingboard music musical new object panel player precision pro produce production professional push radio record recorder slider sliding sound soundboard stereo studio switch switcher technology tuner tuning type volume wave working