E10 vs E10K compared by FiiO.
Tested and found to be working fine with:
- Debian 8 (Jessie)
- Ubuntu 14.04
Also Note: The general recommendation for a USB DAC is to set the master volume to 0 dBFS (100%) in order to get the full 16 or 24 bit digital resolution (i.e. accurate bit stream).
usb 2-1.1.4: new full-speed USB device number 10 using xhci_hcd usb 2-1.1.4: New USB device found, idVendor=1852, idProduct=7022 usb 2-1.1.4: New USB device strings: Mfr=1, Product=2, SerialNumber=0 usb 2-1.1.4: Product: DigiHug USB Audio usb 2-1.1.4: Manufacturer: FiiO input: FiiO DigiHug USB Audio as /devices/pci0000:00/0000:00:14.0/usb2/2-1/2-1.1/2-1.1.4/2-1.1.4:1.0/0003:1852:7022.0004/input/input14 hid-generic 0003:1852:7022.0004: input,hidraw3: USB HID v1.00 Device [FiiO DigiHug USB Audio] on usb-0000:00:14.0-1.1.4/input0 usbcore: registered new interface driver snd-usb-audio
$ lsusb | fgrep 1852:7022 Bus 002 Device 010: ID 1852:7022 GYROCOM C&C Co., LTD