La description de USB Audio Player

High quality media player supporting USB audio DACs and HiRes audio chips found in the latest phones. Play up to any resolution and sample rate that the DAC supports! All popular and less popular formats are supported, including wav, flac, mp3, m4a and DSD.
This app is a must-have for every audiophile, bypassing all audio limits of Android. Whether you use our custom USB audio driver for USB DACs, our HiRes driver for internal audio chips or the standard Androi driver, this app is one of the highest quality media players around.
Features:
- Plays wav/flac/ogg/mp3/DSD/SACD/aiff/aac/m4a/ape/cue/etc. files (even 24-bit and 32-bit).
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Supports a USB audio DAC connected by an OTG cable (if your Android device supports USB host mode).
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Folder playback.
- Stream audio from
Music.
- Gapless playback.
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Bit perfect playback.
- Replay gain.
- No root required!
Software and hardware volume control (when applicable).