USB DAC compatibility List

Name: Fiio E10K
Receiver: ?
DAC: PCM-5102
Async: ?
Working with Volumio: YES
Tested Versions and Platforms: x86/Volumio 2.587, RPi 3B/Volumio 2.587
Harware Mixer on Volumio: YES
HW Mixer string: N/A

Name: Fiio Q1 MkII
Receiver: ?
DAC: AK4452
Async: ?
Working with Volumio: YES
Tested Versions and Platforms: x86/Volumio 2.587, RPi 3B/Volumio 2.587
Harware Mixer on Volumio: YES
HW Mixer string: N/A
Comments: Hot plugging not working. DSD over PCM works.

Name: Fiio K3
Receiver: XMOS
DAC: AK4452
Async: ?
Working with Volumio: YES
Tested Versions and Platforms: x86/Volumio 2.587, RPi 3B/Volumio 2.587
Harware Mixer on Volumio: YES
HW Mixer string: N/A
Comments: Hot plugging not working. DSD over PCM works.

Name: Fiio BTR3
Receiver: ?
DAC: AK4376A
Async: ?
Working with Volumio: YES
Tested Versions and Platforms: x86/Volumio 2.587, RPi 3B/Volumio 2.587
Harware Mixer on Volumio: YES
HW Mixer string: N/A
Comments: Unreliable when switching file types or between 16bit and 24bit playback

Name: Fiio M11
Receiver: ?
DAC: Dual Asahi Kasei Microdevices 4493
Async: ?
Working with Volumio: YES
Tested Versions and Platforms: x86/Volumio 2.587, RPi 3B/Volumio 2.587
Harware Mixer on Volumio: NO
HW Mixer string: N/A