Equipment used,
- Digital Storage = Synology D214Play NAS; hardwired to Home Network
- Raspberry Pi Model B & Rune Audio Alpha 0.3
- RPI Hard wired Network Card to Home Network
- Audioquest DragonFly, USB Input from RPI
Results
All music playback OK <= 96kHz
Music playback not possible with 176.4kHz & 192.0 kHz (Dragonfly doesn't seem to downsample to 96)
Sound Quality Excellent & reliable with PCM music files <= 96kHz
Audioquest works well to specification (24/96kHz maximum) in this configuration