# Connect Audio In

Source: https://help.malighting.com/grandMA3/2.4/HTML/fs_connect_audio_in.html
This is grandocs, an unofficial mirror of MA Lighting documentation. For authoritative or safety-relevant information, cite the canonical page on help.malighting.com.

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To use a sound trigger or BPM, connect a sound source to the grandMA3 device. For more information about sound, see the [Sound](/grandma3/2-4/sound/) topic.

|                                            |                                                |
| ------------------------------------------ | ---------------------------------------------- |
| ![](/img/grandma3/2-4/tip_gray-639af3.png) | **Hint:**                                      |
|                                            | The signal strength should be at least 50 mV.  |

Connect the 3pin XLR sound source cable to the [Audio Remote In connector](/grandma3/2-4/do_connector_pin_assignment/#XLR) on the rear panel.

![](/img/grandma3/2-4/img_gm3_full-size-crv_rear_white_audio-e5e582.png)

_grandMA3 full-size rear panel – Audio Remote In_

![](/img/grandma3/2-4/img_gm3_compact-xt_rear_white_audio-89e151.png)

_grandMA3 compact (XT) rear panel – Audio Remote In_

![Update this description text.](/img/grandma3/2-4/img_gm3_replay-unit_rear_audio-4aabf9.png)

grandMA3 replay unit - Audio Remote In

To view the pinout of the XLR connector, refer to the topic [Connector Pin Assignment](/grandma3/2-4/do_connector_pin_assignment/#XLR).