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 ISOL8 by TBProAudio is a Virtual Effect Audio Plugin. It functions as a VST Plugin, an Audio Units Plugin, a VST 3 Plugin, an RTAS Plugin and an AAX Plugin.
Product ISOL8
Developer TBProAudio
Price (MSRP)
Type / Tags Monitoring
Plug-in, App & Soundware Format(s)
Operating System Availability
Download Released
Downloads Released
System Requirements
Windows XP SP3/VISTA/7/8
Downloads Released
System Requirements
Mac OS X 10.5+
Miscellaneous Information
Copy ProtectionNone

ISOL8 is an advanced mix monitoring plug-in with a 5 band filter and volume dim function.


  • 5 adjustable frequency bands.
  • Solo/mute function for each band individually.
  • Linkwitz-Riley crossover filter design.
  • 24/48dB/Oct filter slope.
  • Multiple filter channel modes (Stereo/Left/Right/Mid/Side).
  • Multiple monitor modes (Stereo/Left/Right/Mid/Side).
  • In-place or centered monitoring.
  • Adjustable output level.
  • Loudness dim function.
  • Large and easy to use GUI.
  • Keyboard control.
  • 64-bit internal processing.
Latest User Reviews Average user rating of 5.00 from 2 reviews

Reviewed By RobertSchulz
January 8, 2019

This one is curious, and i like curious things. Maybe you don't need this plugin at every session you have, but it is a really good metering plugin if you want to listen/analyze to specific frequency areas and (for what i think which is even more cool) you can listen to specific frequency bands at each of both stereo channels (L+R) as well as at the Mid or Side Signal alone.

F.e. if i would want to listen to the low end at the side or the mids or the left side, its very fast to made with Isol8.

You can use it also as an EQ/Filter, but its behaviour on the signal is very harsh as there is no gain or resonance function for the frequency bands, but if you like such rough filtering this is a good option too.

You also can put another Filter after if you want to make a little boost or cut of those frequency areas.

Towards this you can also filter certain frequency areas out to treat them after separately from the other.

Isol8 can work as an spatial effect as well. You can make certain frequency areas to summed mono or mono by copying the left or right side to the opposite side with the Monitor Center function by clicking on the "Monitor" text.

The Dim-Option for me is a little bit uneven. There is a little attack time until it drops the audio down the entered value in dB. Here i would wish that there is a switch as like the Bypass Filter switch, on where we can toggle between gliding volume drop and direct volume drop. But it is good as well.

The Filter Bypass-switch is a very good idea too.

I really like the 3D-like GUI. Thanks to Crimson Merry.

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Reviewed By colobelporridge
May 19, 2018

Another great utilitarian piece from Tb Pro audio. Its the kind of VST that will live on your master bus. The dim setting is what i use most of the time and the solo frequency range switches can be good for making sure your mix is balanced. In conjunction with any eq you can get the band solo type effect that is possible with eqs like ddmf iieq pro and nova eq, so you can workion a particular frequency range even if your eq does not have the solo band function. A swiss army knife of features you didnt realise you were missing, .

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Discussion: Active
8 December 2017 at 10:24pm

There is no 64-bit version in the installer - it's installing into "" C:\Program Files (x86) "" thus it's 32-bit... That's a problem since I won't ever install another 32-bit plugin in my 64-bit system.

Maybe you could release a true and stable 64-bit version ?

9 December 2017 at 4:20pm

Maybe you should learn how to install plugins. The installer allows you to install 32-bit and 64-bit. You can also choose VST2 or VST3.

and, surprise, the installation path.

10 December 2017 at 7:58am

On page "x64 Plugin Directories" please set the correct x64 folder path for the x64 plugin. Finally on page "select components" enable "x64-bit VST2 plugin".

That's all.

11 January 2019 at 5:54pm

I like it a lot, but there is a caveat. The band splitter _does_ color the sound. It is not that disturbing, when I check the bands for issues, this works well.

But be warned when you render the mix, to switch it off.

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Average user rating of 5.00 from 2 reviews

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