Four channel mixer

Four channel mixer. Suitable for audio or control signals.
Features inverted output and LED level meter.

Specs.
Four channel input
Inverted output (negative).
DC coupled
5 HP / 47 mm depth

http://www.befaco.org/en/sinte-modular/mixer-v2/

• ? mA +12V
• ? mA -12V
• ? mA 5V
• 47 mm Depth

No info about availability.