Setting default USB Audio device

Help and Support Help
1

Hi my Volumio detects multiple USB Audio device for my CDP (see below), although in the web interface only one has been shown and is available for select.

How to set the default USB output to “CD430 [Passion CD430], device 1: USB Audio [USB Audio #1]”? This is the only one which is working. The other input gives no sound.

card 5: CD430 [Passion CD430], device 0: USB Audio [USB Audio]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 5: CD430 [Passion CD430], device 1: USB Audio [USB Audio #1]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 5: CD430 [Passion CD430], device 2: USB Audio [USB Audio #2]
Subdevices: 1/1
Subdevice #0: subdevice #0

2

Some additional info: I,m able to play files via the below comment. But using Volumio’s web interface cannot play any file.

aplay -D plughw:5,1 /media/3238-3136/Cupid.wav

How to set “plughw:5,1” as the default playing device in the system?