PedalBro

Envelope Filter · WMD

WMD Protostar

The Protostar is an envelope filter featuring a harmonic density engine, four filter modes, an LFO, and a CV patch bay for modulation control. It accepts expression input for real-time parameter adjustment.

  • 9V DC · center −
  • 400 mA
  • True bypass
  • Analog
  • Mono
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The rundown

Highlights

  • Four selectable filter modes
  • Harmonic density engine for tonal shaping
  • Built-in LFO for modulation effects
  • CV patch bay for external modulation
  • Expression input for dynamic control

Best for

Players seeking an envelope filter with advanced modulation options and customizable tonal characteristics.

Quick facts

Power
9V DC
Current draw
400 mA
Polarity
Center negative
Bypass
True bypass
Dimensions
123.2 × 97.8 mm
Stereo
No
MIDI
No
Expression input
Yes
Status
In production

Where to buy WMD Protostar

We have no current prices for this pedal yet.

Frequently asked questions

What power supply does the Protostar require?

The WMD Protostar runs on a 9V DC power supply with a center-negative connector and requires 400 mA of current.

Does the Protostar have true bypass?

Yes, the WMD Protostar features true bypass.

Can the Protostar be controlled with an expression pedal?

Yes, the WMD Protostar has an expression input for controlling parameters.

What are the dimensions of the Protostar?

The WMD Protostar measures 123.2 x 97.8 mm.

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Specs from pedalfilter. Summary written by PedalBro from those specs and public descriptions.

Page last updated September 29, 2026.