Boredbrain Music | Xcelon Eurorack Mixer Module
Mix Multiple Stereo-Voiced Eurorack Modules with the Boredbrain Xcelon Voltage-Controlled Eurorack Mixer Module!
Chicago Synth Exchange is proud to offer a powerhouse Eurorack module mixing interface, designed to give electronic musicians immediate hands-on control and visual feedback, plus extensive CV and expandability: the Boredbrain Xcelon!
Built for both performance and production, the Boredbrain Xcelon six-channel voltage-controlled stereo audio mixer makes for an ideal centerpiece in Eurorack modular systems packed with stereo voices—including any of the modules from your favorite brands now available at the Synth Exchange!

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Join us at Chicago Music Exchange on Thursday, November 30, for a special Fender event introducing the new Highway Series guitars and featuring Fender artist Julia Rizik in CME’s Lincoln Avenue showroom!
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A Modular Mixing Powerhouse
Designed for dependable, flexible performance, the Boredbrain Xcelon boasts a low-noise, all-analog signal path with six stereo/dual-mono input channels, each with a dedicated Gain control, two stereo FX loops, Balance control, and long-throw faders for the Volume sliders.
Each of the Xcelon’s six channels comes equipped with a pair of AC-coupled audio input jacks for left and right stereo signals. These inputs accept typical Eurorack-level audio signals, as well as line-level audio signals when boosted using the channel’s Gain control.
With all inputs on the left and outputs on the right for more ergonomic mixing, the Boredbrain Excelon lets users choose whether the Balance control applies stereo panning or crossfading between dual mono input sources, with clickless mutes ensuring that there are no pops when you bring channels in and out of the mix.

The four jacks directly below each pair of audio inputs are CV inputs, which allow for voltage control of the channel parameters. VOL affects the volume within a range of 0 to +5V. BAL affects the channel balance within a range of -5V to 5V (even with XFADE enabled), while FX1 and FX2 affect their respective send levels within a range of 0 to +5V. These latter three control voltage inputs are all biased by their knob positions.
Boredbrain Xcelon — Key Features
- Six-channel stereo analog mixer module
- Low-noise circuitry
- Per-channel assignable mix busses
- Two stereo FX loops
- Channel input gain supports both modular and line-level signals
- Balance controls with stereo pan or dual mono crossfade modes
- Long-throw faders with LED VU meters
- Clickless mutes
- CV inputs for Volume, Balance, FX1 Send, and FX2 send per-channel
- CV inputs for Return 1 + 2 levels
- Compatible with XP3 expander, with more to come in the future

Take control of your stereo-voiced Eurorack modular synths and with the ergonomic Boredbrain Xcelon all-analog Eurorack Mixer module now available at the Synth Exchange! Call CME, chat with us online or in the app, or visit our showroom today to learn more!
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