ESP32 Forum • Is Aux-in TRS or TRRS?

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Is Aux-in TRS or TRRS?

Posted: Sat Aug 01, 2020 12:41 pm

by rampadc

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?

Re: Is Aux-in TRS or TRRS?

Posted: Sat Aug 01, 2020 1:59 pm

by ESP_krzychb

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 (264.13 KiB) Viewed 4055 times

Re: Is Aux-in TRS or TRRS?

Posted: Mon Aug 03, 2020 11:29 am

by rampadc

Thanks for the help!