An easy-to-use sidechain compression simulation plug-in that creates tempo synced tremolo, gating, ducking or stutter effects, and much more.

Easy Sidechain Compression

PumpStation is an audio effect plug-in that lets you draw volume modulation curves. It allows you to easily create interesting audio effects, such as simulated sidechain compression, tremolo, ducking, gating, or stutter effects, and much more.

PumpStation has been primarily developed for quick and easy sidechain compression without the limitation of being stuck with factory presets. It lets you precisely control how volume modulation is applied to the audio signal.


PumpStation tries to put you into a sweet spot where you can access powerful functionality by using a simple user interface. Its features aim to provide ease of use, speed and precision.

Precise Curve Editor
A flexible curve editor allows effortless and precise curve design and enables you to create custom curve shapes easily.
Easy Sidechain Compression Effect
Perfect for creating sidechain compression effects quickly. Just draw your curve and you are done. No routing necessary.
Two Modes of Operation
Provides two modes of operation. In BPM-mode the plug-in is locked to the current BPM of your host. In Hz-mode you can freely adjust the speed of the cycle.
Resizable Window
A resizable window allows you to change the size of the window in any direction.
MIDI Support
A MIDI trigger function allows you to apply the modulation curve on a press of a MIDI key.
Allows visual customization, such as colors, graph precision, visible indicators, and more.


PumpStation is available for OS X and Windows and is distributed as a VST3 and AU plug-in.

It is currently in alpha state and free software.

PumpStation for Mac OS X PumpStation for Windows

System Requirements

2 GHz Intel CPU
Mac OS X 10.9 or later
VST3 or AU host sequencer
2 GHz CPU with SSE2 support
Windows 7, 8 or 10
VST3 host sequencer
32- or 64-bit