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

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

• 14 mA +12V
• 11 mA -12V
• 0 mA 5V
• 47 mm Depth

No info about availability.