USB Audio Player PRO - high quality media player with a USB audio DAC with a resolution of 32 bits at a sampling rate of at least some! It recreates all the famous formats connecting wav, flac, mp3 and DSD. Perhaps the addition of an obligation to exist in every follower Hi-Fi, it removes all limitation of Android. Including the lack of USB DACs probably Wotan of the best media players available USB Audio Player PRO. Pay interest, if you need a USB-OTG cable to enable the DAC is a USB audio device of any class.