Additional Null can be configured using the following variables:
| VARIABLE | DESCRIPTION |
|---|---|
| NULL_OUTPUT_CREATE | Set to yes if you want to create an additional null output |
| NULL_OUTPUT_ENABLED | Sets the output as enabled if set to yes, otherwise mpd's default behavior applies |
| NULL_OUTPUT_NAME | The name of the Null output, defaults to null |
| NULL_OUTPUT_SYNC | Sync mode for the null output, can be yes (default) or no |
| NULL_OUTPUT_MIXER_TYPE | Set to software if you want to be able to change the volume of the output stream |
Refer to the MPD documentation for the meaning of the variables.