arts culture and entertainment, black color, brass, close-up, computer part

acoustic audio background bass big black circle closeup coil component dark deep design dynamic electronic equipment frequency isolated listen loud loudspeaker macro metal metallic modern music musical noise object old paper power powerful retro round screw shiny silver sound speaker stereo surround system tech technology voice volume watt white woofer arts culture entertainment color brass close-up computer 18-inch subwoofer wrapped copper wire outside inside