Audioquest dragonfly black usb dac dragonfly black is a usb digital to analog converter dac designed to deliver cleaner clearer more naturally beautiful sound from any computer smartphone or tablet dragonfly blacks unique design allows for playback of any file type regardless of resolution natively dragonfly black is capable of decoding 24 bit96khz data dragonfly black represents the culmination of several new and exciting achievements over the better part of three years audioquest and acc