DSD, DTS, DTS-ES, DTS-WAV, AC3, APE, FLAC, HDCD, AAC, MP3, OGG, etc. - USB flash drive playback upgrade supports DSD, ISO, WAV, FLAC, APE, DTS, DTS-ES, AC3, OGG, MP3, etc; The DSD sampling rate supports DSD256, while the PCM sampling rate supports up to 768Khz.
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