Mixer & Switcher
  • Dual 2 to 1 mixers, normalized into 4 to 1
    • Click-less mute per mixer
    • Click-less polarity inversion per input with LED indication
    • Modulation vs. audio mode selection (lin/log) per mixer, with change of potentiometer curve response and LED indication.
    • Two LEDs on each output showing the amplitude and polarity of the output signal
    • Unconnected inputs present a fixed voltage to ease offset creation
    • Full range DC-coupled analog signal path
  • Switch/Selector
    • Switch among 4 inputs, only 2, or disabled
    • Select an input sequentially with a clock/trigger
    • Select an input randomly with a clock/trigger
    • Select an input in relation to a control voltage
    • CV and clock control are audio rate capable
  • Settings retained over the power cycle
  • High-quality potentiometers with metal shaft
  • Skiff-friendly & compact module
Standout modules of the last couple of years?"
This is the post/query on Muffwiggler where the Mixwitch was mentioned as "the most clever module you can get dollarwise".
It's a deceptively deep little module.
I love the Klavis Mixwitch. It does switching and a lot more (check the manual), feels well made and is priced very kindly.
My best value buy yet, I think.
Super useful for feedback loops!
I only had one for a couple of days before buying another.
Some options like the Mixwitch are really flexible and have me thinking outside the box.
I like that.

Focused versatility seems an oxymoron when describing the features that led us to design the Mixwitch.
With only a pinch of mixing, inverting and controlled switching, we brew up a plethora of combinations and uses.
This is voltage processing magic!

The Mixwitch design comes from a frustration with attenuvertors (bipolar attenuators-inverters) whose off (neutral) position is difficult to retrieve, especially in live situations.
We went for a digitally-controlled analog path where polarity inversion would be at the touch of a button. So, the usefulness of attenuating/inverting can be realized by turning the pot down, swiftly pressing the inversion button and reopening the level. The zero level is where you expect it, with the pot full down.
Once we had a clean polarity control, we easily added a mute function offering the benefit of pre- adjusted pot settings ready to be activated at will.
The next step was to bring something extra, useful and creative. There are plenty of analog switches controlled by a clock; but arbitrarily selecting an input with a voltage is less known. Having both control capabilities combined with our specific mixer features creates a unique fusion: welcome to the Mixwitch !


Dimensions mm inches Eurorack
Height 128.40 5.06 3HE
Width 40.00 1.57 8HP
Depth behind panel
(with supply cable inserted)
25.00 0.98


Supply rail Current draw
+12V 22mA
-12V 26mA
+5V 13mA

Love the clocked random switcher to offset pitch. Inject a little LFO CV for movement.
It has so many functions it is absolutely briliant.
In another patch it can be an half Audio mixer / half CV mixer with clock / CV switching on the B inputs.
The list goes on.
Mixwitch is fantastic too. Does so much more than mixing though, so you might find that you need more than one.
They are howbeit really inexpensive.


Overall presentation

Modulation sequencing

Audio clips

Keep with us !

Inspiration technology to let you create the difference
Klavis Modular Systems
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