Is Aux-in TRS or TRRS?

[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?

[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 3786 times

[rampadc]

Thanks for the help!