Chapter 7. Client Hacks
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# Chapter 7. Client Hacks

## External Mixer

The setting '`mixer_type` "`null`"' asks MPD to pretend that there is a mixer, but not actually do something. This allows you to implement a MPD client which listens for `mixer` events, queries the current (fake) volume, and uses it to program an external mixer. For example, your client can forward this setting to your amplifier.

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