A better DAC, more headphone power and HDMI ARC are three key features. But there's more
FiiO R7 Snapdragon 660 Desktop Android 10 HiFi Streaming Music Player AMP/DAC ES9068AS chip/THXAAA 788 Headphone Amplifier Bluetooth 5.0 DSD512 Spotify/Tidal/ Music Support (White) : Electronics
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FiiO R9 Flagship All-in-One Digital Media Streamer
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