Intellijel Mixup is a Mixer module for modules Synthesizer in Eurorack format. The module is a versatile, expandable audio Mixer for Eurorack format. It has four input channels and two outputs. Inputs 1 and 2 are single-channel mono inputs, each with its own mute switch and level control; Input 3 is a dual-channel stereo input with a common mute and volume control; and Input 4 is a non-invertible stereo input with a unit gain. The special feature of the module are the bus connections on the rear side. They allow multiple Mixup inputs to be connected Module in series to mix even more inputs or create submixes for routing in larger systems. Due to its design, it is only suitable for audio signals.