# \&mono

Viewer-Side Option! ([`&view`](/advanced-settings/mixer-scene-parameters/view.md), [`&scene`](/advanced-settings/mixer-scene-parameters/scene.md), [`&room`](/advanced-settings/setup-parameters/room.md))

## Details

If using [`&proaudio`](/advanced-settings/audio-parameters/and-proaudio.md), this will retain the publishing benefits of [`&proaudio`](/advanced-settings/audio-parameters/and-proaudio.md), while keeping the audio as mono instead of stereo.

Audio bitrates may be reduced from 256-kbps to 128-kbps, if not explicitly stated, in some cases.

{% hint style="warning" %}
In Version 22 `&mono` also works with Firefox.
{% endhint %}

To set the source to mono, see [`&monomic`](/advanced-settings/audio-parameters/and-monomic.md).

## Related

{% content-ref url="/pages/TsV1XwaorKyNBlN3IYRW" %}
[\&monomic](/advanced-settings/audio-parameters/and-monomic.md)
{% endcontent-ref %}

{% content-ref url="/pages/-MZX2aBA5UfmoqedHAu5" %}
[\&stereo](/advanced-settings/audio-parameters/stereo.md)
{% endcontent-ref %}


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