Rebel Technology – WITCH – Full DIY Kit

£137.00 (Excl. VAT)

Witch is a standalone polyphonic synthesizer in compact desktop format.

Fully compatible with the Rebel Tech OWL platform – upload one of the +300 synths and effects available, or design patches with PD, max gen, C++, SOUL or Faust.

Out of stock

You must register to use the waitlist feature. Please login or create an account


The Witch is a new desktop synthesizer based on the Rebel Technology Owl platform. The Witch can be used Standalone, with a MIDI Controller, Analog Sequencer, or MIDI Polyphonic Expression / MPE Controller. Witch comes loaded with four different synth engines:

  • SubTract Virtual Analogue synthesizer with 48dB resonant filter
  • VoSim Voice Simulator formant synthesizer
  • WaveBank Morphing wavetable synthesizer
  • QuadSampler Sampler with peak filter

Each synthesizer engine is provided in two variants:

  • Expression Mode Continuous pitch control and MPE support
  • Performance Mode Discrete pitch control, standalone chords and classic MIDI support

Other features include two assignable tap tempo LFOs with continuously variable shapes and a powerful effects section.

As well as eight factory patches, the Witch is fully compatible with the OWL Library of more than 300 patches. Users can create their own patches using any of the supported DSP languages: Pure data, Max gen~, SOUL, Faust, Maximilian and C++.

The Witch also has its own Synth Editor web application here:

Witch – Build Document


  • Stereo Audio IN and OUT
  • 5 pot controls
  • 4 CV Inputs
  • 2 CV Outputs
  • 4 Gate Inputs with LED buttons
  • 2 Gate Outputs
  • MIDI USB host and Device.
  • USB powered as well as via 9v DC input
  • USB and 3.5mm stereo splitter cables included

Additional information

Weight 0.4877 kg

You may also like…

  • Befaco / Rebel Technology – LICH – Full DIY Kit

    £152.00 (Excl. VAT)
  • BELA Modular – Pepper – Full DIY Kit

    £232.50 (Excl. VAT)
  • Sixty Four Pixels – Noodlebox – Assembled Desktop Sequencer

    £283.33 (Excl. VAT)