USB DAC compatibility List

Name: FiiO X3 (DAP + DAC combo)
Receiver: ??
DAC: Wolfson WM8740
Async: YES
Working with Volumio: YES
Tested Versions and Platforms: Volumio 1.5 on CuBox-i2eX
Hardware Mixer on Volumio: N/A
HW Mixer string: N/A
Comments: FiiO X3 with firmware version 3.2, supports 32kHz/16-bit to 192kHz/24-bit, can pass signal through to coaxial S/PDIF (bypassing WM8740 if needed)
Buying Link: amazon.com