Erica Synths Output Kit

Output module allows you to interface your modular synth with external gear –
mixers or other synths with commonly used 3.5mm stereo jack.

The Full Kit contains all components needed for the module, including ICs,
knobs, power cable, etc.

Features:
-L and R inputs
-3.5mm stereo output jack
-3.5mm headphones jack
-Headphones volume adjustment
-Skiff-friendly design

To add to that, this module has high quality headphones preamp for monitoring
your modular masterpieces. The module has L and R inputs, if you make stereo
patches, but for mono patches R input is normalled to L input, so you
automatically route the output to stereo mixer.

Technical specifications:
-Audio output amplitude: line level (optionally adjustable)
-Panel width: 6HP
-Module depth: 35mm
-Power consumption: 20mA

https://store.synthrotek.com/assets/images/Erica-Synths-Output-Visual-BOM.pdf
https://www.youtube.com/watch?v=ou9A9xgWmlM