Mopidy.conf: setting audio/output additional arguments

Got it. You can name your ALSA sound card in mopidy.conf. You also need to define it by that name in /etc/asound.conf. I’ve named my card ‘fred’.

So, in mopidy.conf:

[audio]
output = alsasink device=fred
mixer = alsamixer

In /etc/asound.conf:

pcm.fred {
        type hw
        card Extigy
}

“Extigy” is the name I see for the card I want to use when I do “aplay -l”

**** List of PLAYBACK Hardware Devices ****
card 0: IQaudIODAC [IQaudIODAC], device 0: IQaudIO DAC HiFi pcm512x-hifi-0 []
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 1: Extigy [Sound Blaster Extigy], device 0: USB Audio [USB Audio]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 1: Extigy [Sound Blaster Extigy], device 1: USB Audio [USB Audio #1]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 1: Extigy [Sound Blaster Extigy], device 2: USB Audio [USB Audio #2]
  Subdevices: 1/1
  Subdevice #0: subdevice #0