a simple of a green yellow home sound entertainment system radio white backdrop

adjust adjustment adjustments amp amplifier amps backdrop background bass blues boost compact computer decibel decibels digital dimensional disc discs disk disks dvd entertainment equalizer frequencies frequency generated graphics green hifi high home icon icons illustration illustrations isolated jazz left leisure level levels loud low music pitch play playback pop quality radio radios relax relaxation relaxing rhythm right rock shape shaped shapes simple simplified sound sounds speaker speakers symbol symbols system systems three treble unit video white yellow