Ciao!

quad line output & headphones amp

4 high quality line outputs for your modular in compact format. With line level clipping indication is handy for both recording and live. Headphone output can be quickly switched to listen to one of the stereo channels. It is also great for jamming because you can separately create a sound on your headphones and then flip a switch to mix it into the final mix directly with this module.

Features

total 4 line outputs
2 balanced outputs (left and right)
1 stereo output (could be used as second headphone output in emergency)
headphone output
switch to select what plays in the headphones
switch to mix channel A to channel B
internal normalisation allowing mono 2 stereo conversion
line level clipping indication per channel
volume control per stereo channel
technical details

5HP width
PTC fuse and diode protected 10pin power connector • 35mm deep
current consumption: +12V:

http://www.bastl-instruments.com/modular/ciao/