Audioquest dragonfly red usb dac the dragonfly red uses the highest quality dac digital to analogue convertor ever used in a dragonfly giving true audiophile sound quality the 32 bit ess 9016 chip is more usually found in high end hi fi equipment and boasts an astonishing signal to noise ratio making it sound more precise and detailed than the dragonfly black rather than using the blacks analogue volume control it also deploys bit perfect digital volume this reduces distortion still further