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intellijel QX Expander for Quadrax 3U
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The QX expander adds EOR (end of rise) and EOF (end of fall) trigger/gate outputs to each of the four Quadrax channels.

This allows the Quadrax features including envelopes, cycles, bursts and LFOs to trigger external modules.

The EOR and EOF trigger characteristics vary with each of the Quadrax’s five modes. Playing with the Quadrax for a few minutes will quickly highlight the infinite possibilities it offers.

The QX expander connects easily to the Quadrax with the included I2C cable.

Please note: The Quadrax unit is required for the QX Expander to function.


  • Expander for Quadrax adds EOR and EOF for each channel

Technical Specifications

  • Size: 4hp
  • Depth: 22mm 
  • Current Draw: 8mA @ +12V / 0mA @ -12V
  • Product code: QX-3U

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