All DOTEC-AUDIO plug-ins have free demonstrations in paid version as well.

DeeFX Multi Effector / VST & AU & AAX plug-in

Distortions, filters, and delays that are used beyond trends and genres.
DeeFX is thoroughly pursues and integrates the performance of three effects.
It gives improvisation that can be operated without switching allows you to embody ideas without stopping the sound.
You will find combinations that you could not imagine in usage that prepare individuals.

Demo Video

DEMO Download
* Please try demo to check works normally on your DAWs.

Windows VST2/3/AAX(ZIP 64bit)
DeeFX only (about 8MB)

MacOSX VST2/3/AU/AAX(ZIP 64bit OS 10.12 or later)
DeeFX only (about 16MB)

All products (Demo & Free)

Windows VST2/3/AAX(ZIP 64bit)
All products (about 380MB)

MacOSX VST2/3/AU/AAX(ZIP 64bit OS 10.12 or later)
All products (about 784MB)

Latest version is 1.1.7.
These ZIP and TGZ files include manuals(En/Jp).

The demo version of DeeFX has 1 second of silence every 30 seconds.
Please purchase a serial key and register from here in order to use with no restrictions.
* The registration requires an internet connection.

How to register

Price:$50 USD
Enter the coupon code or the serial key for the product you already have!
You can buy DeeFX at a discounted price!
(Coupon $10 USD discount, serial key $15 USD discount)
And your second purchase will receive $15 USD off with a bulk purchase discount!
PayPal(Credit/Debit Card)

For GMX Mail users
We are experiencing a problem were sending from the DOTEC-AUDIO mail server to GMX Mail will result in an error, so please use a different address such as Gmail when purchasing.
If you do not receive an email after your purchase, please notify us at or DOTEC-AUDIO's facebook page.


DeeFX is a VST/AU plugin with following features:

  • Thorough pursuit of the three major effects.
  • Impacted effect processing just by moving the slider up and down.
  • Intuitive operation like DJ effector, Guitar pedals.
  • Distortion destroys the sound extremely and FAT.
  • You can get powerful bottom more than conventional metal distortion.
  • Very edgy Filter can be sync with delay.
  • Improvised tempo sync delay which can also be reversed.
  • By synchronizing with the filter, you can easily manipulate a well-known combination.
  • New! VINYL STOP which can stop the sound like a vinyl.
  • New! BIT CRUSHER was added to the type of distortion.

Checked hosts

Our Plug-ins are tested with following hosts.
Please try demo to check works normally on your hosts.

  • Ability 4.0
  • Ableton Live 9.x 10.x 11.x
  • ACID Pro 10
  • Audacity 3.x
  • Cubase 8.x 9.x 10.x
  • Digital Performer 10
  • FL Studio 12.x
  • GarageBand 10.x
  • Logic Pro X 10.x
  • OBS Studio 26
  • Streamlabs OBS V1.0 (Windows only)
  • ProTools 11.x & 12.x & 2018
  • Reason 9.5 & 10.x
  • Serato Studio 1.4
  • SONAR Xx & PLATINUM / CakeWalk
  • Studio One 3.x & 4.x & 5.x

Release notes

Jun/18/2022 Version 1.1.7 :  New!
- Apple Silicon support for AAX for Mac (Other formats are already supported.).

Jan/5/2021 Version 1.1.6 :
- Apple Silicon support for VST, VST3, and AU for Mac (AAX is not supported).
- Fixed automation problem when using VST3 in Cubase.

Nov/16/2020 Version 1.1.5 :
VST3 support for FLStudio has been added.

Jul/3/2020 Version 1.1.4 :
Improved graphics processing to up on Mac Retina models.

Jun/23/2020 Version 1.1.3 :
Improved graphics processing to up to 300% on Mac.

Feb/10/2020 Version 1.1.2 :
- Redesigned the filter to improve sound quality.

Jul/25/2017 Version 1.1.1 :
- Modified the screen drawing processing to improve performance.
- Improved performance by reduce the CPU usage.

Jul/13/2017 Version 1.1.0 :
Added two effects that were requested a lot.
- VINYL STOP which can stop the sound like a vinyl.
- BIT CRUSHER was added to the type of distortion.

Jun/7/2017 Version 1.0.2 :
Released AAX Version.
Changed the support MacOSX version "10.9 or later" to "10.7 or later"

May/24/2017 Version 1.0.2 :
Fixed some reported bugs.

Apl/26/2017 Version 1.0.1 :
Fixed bug "automation problem on some DAWs".

Apl/20/2017 Version 1.0.0 :
First release.