4ms Listen Up


4ms Listen Up

The Listen Up is a small passive expander for the Listen modules that provides stereo 1/4" (6.35mm) jack inputs and outputs. There are four 1/4" jacks arranged in Left/Right pairs. The Left jack of each pair can be used as a TRS stereo jack if the Right jack is unpatched. The Listen Up connects to one or two Listen modules with the included 3-pin cables.

The do-it-yourself kit includes all the parts necessary to build a Listen Up. The DIY Kit is very easy to build and suitable for first-time kit builders. Basic hand tools are required.


  • Four 1/4" (6.35mm) jacks arranged in two stereo pairs.
  • Each stereo pair can be connected to the same module or to separate modules.
  • Each stereo pair (left/right) is bi-directional (input or output).
  • Left In and Left Out jacks are TRS stereo if corresponding Right jack is not unpatched.
  • Uses no power.
  • Connects directly to host module using 3-pin cables.
  • Two 3-pin cables included.
  • 4HP


Electrical and Mechanical Specifications:

  • Module size:
    • 4HP Eurorack format module
  • Power consumption:
    • None

Included in the Passive Mult Kit:

  • 1x Listen Up Panel
  • 1x Listen Up PCB
  • 4x 1/4" Jacks
  • 4x 1/4" Jack Hex Nuts
  • 2x 1x3 Right Angle Headers
  • 2x 3 Pin Cables
  • 2x M3 Screws


Module Parameters
Current DrawDoes not draw current
Panel Size4HP

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  • Product Code: 4MSLSTNUPMSTR
  • Availability: 4
  • from $48.00 TO $48.00
  • Ex Tax: $48.00

Available Options

factory kit - silver panel
In stock / $48.00
Available : 4

Tags: 4ms, listen, kit, 4mslstnupmstr eurorack diy, synthesizer, kits