Light and Shadow

Multiband Ducking

SideChain ReAction (SCRE) is the most advanced yet simplest multiband volume ducker, envelope shaper and band splitter available for Reason.

Mastery and moRe


This RE is absolutely the Swiss Army knife for multiband sidechain work. Seriously, look no further, it's that great. Pick this thing up ASAP!

Ed Bauman

The Most Powerful
Sidechain Tool.

SideChain ReAction is a must have tool; a Swiss Army knife of CV modulation and gating/enveloper in the same device.  I highly recommend it.


SideChain ReAction is a

must have Tool.

GUI looks fine and it's very simple to use.  Sound quality is good, and it does the job as it should be.  Price is also really good for the features it have. 10/10, I like it a lot.

Navi Retlav

Realy good for ducking
and creative use.

Phase and Stereo Imaging

CoreReLation Phase Analyzer (CORE), is the first and only Reason rack extension designed and optimized for detailed phase and stereo imaging analyzation.

Simplified for Reason

Old Paper Transparent

This is perfect for users trying to find a RE replacement for Waves S1 Imager. It's a very useful tool. 

SKP Sound Design

Thanks for building it.

I thank @reasonistas & @LabOneRecords for bringing us an useful helper for mixing. CoreReLation also helps me to see what I'm doing to the stereo image.

Nicola Alexandra Hajdu

A useful helper for

CoreRElation is a great Tool. I can only recommend it!! SideChain is next up for trial. (I guess it won’t be a long trial period).

King of Chill

CoreReLation is a great

Embossed Paper

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Candy Cotton

Try our Rack Extensions free for 30 days

The 30-day trial comes with no feature restrictions.
SideChain ReAction
Enveloper (SCRE)

CoreReLation Phase
Analyser (CORE)

SCRE and CORE Bundle Thumbnail.png

$35.00 (Save 27%)