Is Aux-in TRS or TRRS?

rampadc
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Joined: Sat Aug 01, 2020 12:38 pm

Is Aux-in TRS or TRRS?

Postby rampadc » Sat Aug 01, 2020 12:41 pm

Hi, I have an ESP32-LyraT v4.3 board. I couldn't find out whether the AUX-IN jack is TRS or TRRS in the schematic or the website. Does anyone know?

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ESP_krzychb
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Re: Is Aux-in TRS or TRRS?

Postby ESP_krzychb » Sat Aug 01, 2020 1:59 pm

Hi rampadc,

Welcome to the forum!

The AUX_IN socket is TRRS with Ring 2 grounded. So effectively it is TRS.
ESP32-LyraT-V4.3_AUX_IN.png
ESP32-LyraT-V4.3_AUX_IN.png (264.13 KiB) Viewed 574 times

rampadc
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Joined: Sat Aug 01, 2020 12:38 pm

Re: Is Aux-in TRS or TRRS?

Postby rampadc » Mon Aug 03, 2020 11:29 am

Thanks for the help!

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