The Doepfer A-138o Performance Mixer Output is a performance mixer output featuring two sum outputs (L/R), a mono aux send output, a mono aux-return input and a 4HP width. The A-138o module is used (along with the A-138p) to build a simple performance mixer instead of an external stand-alone mixer. The A-138o is the output module that can be combined with one or more A-138p.

The main features of the Doepfer A-138o Performance Mixer Output include:

• Level Controls: Left, Right & Aux
• Output Sockets: Left, Right & Aux (3.5mm Mono Sockets)
• Width: 4HP / 20 mm
• Depth: 40 mm (From Rear Side of the Front Panel)
• Current: + 20 mA (+12V) / - 20 mA (-12V
• Requires at least one A-138p (no stand-alone use)