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Demo Version   New 1.1 version!

Click on the Bank:Load button to load one of the additional banks.

Load the PROII_TESTPATCHES bank for a feature tutorial.

More banks can be downloaded


- short audio breaks
- restart needed after 20 minutes

download (9,8mb)     Minimum system needed: Win XP SP2. Infos here.

VFX mac demo: download here

VST Host
The plugin needs a vst host to run. If you don't have a one we can recommend the very easy to use and leightweight Hermann Seib SaviHost:

Download SaviHost

Download from developer:

Installation: Just place the "savihost" file next to the "OP-X PRO-II.dll" and rename it too to "OP-X PRO-II". The dll can be found in a folder called "SonicProjects" in the place you've installed the plugin to. Now simply doubleclick the renamed file to launch the plugin.

In "Devides->Wave" and "Devices->MIDI" you still have to choose the right audio and MIDI drivers. If you dont have an ASIO soundcard then install the free Asio4All drivers:  

Minimal system requirements:

- Windows XP / Vista / 7 / 8
- A 32bit vst host or a 64bit vst host with included bridge info
- ASIO drivers info
- Minimum CPU: Core2Duo
- Best Performance: Core i5/i7

RTAS: Fxpansion adapter needed. Learn more here.

IMPORTANT NOTES:  Click here to read

You are new to the world of virtual instruments? Then click here
for a beginners guide.

You get crackling sound even when using ASIO? Then click here
for a guide how to optimize your laptop.

Of course we can't check out all possible system and host combinations. So it's up to you to test it in your current configuration. If the demo version works the full version will too.

CPU consumption / multiple instances:

How many instances you'll be able to use in a session of course depends on both
the CPU and the ASIO drivers. Since the synth is relatively easy on CPU for today's
standards and it only uses CPU when it's actively playing and hardly any in idle state
you even should be able to run many instances in old Core 2 Duo systems.

Here are some test sessions:

Cubase 5 Demo:

Here's a short Cubase 5 demo using 7 instances:

Download session:


Live 8 Demo:

The same session with Ableton Live 8.2 on a medicore office PC without a dedicated soundcard just using Asio4all drivers:

download session

Protools 8 Demo:

The synth works well in Pro Tools 8 (Windows only) when converted to RTAS with the newest (2.1.1) Fxpansion VST to RTAS adapter:

21 Instances Session:

Here's an ultimate stress test session featuring 21 instances of OP-X PRO-II in two systems and several different sequencers:

download session

Notebook Demos:

Here are two videos showing OP-X PRO-II perform in a netbook and in a $300 class notebook. The notebook runs 11 instances with ease:

download bank

Windows Vista / 7 / 8:

If your plugins folder resides within the program files folder it may be needed to run your vst host in administrator mode.

For this right-click on the application shortcut, choose "compatibility" and check "run as administrator". This gives back full writing rights.

More about it  here.

Cubase 5 and up:

Also works fine without running in administrator mode based on our various tests, but simply be aware that if the plugin resides within the system's program files folder (e.g. VST2 plugins folder) the licensing data and newly created banks and presets will be written to virtual store instead to the conceived place. So if you need to have direct file access to those (e.g. for backup) you'll find them there instead of the place where you expect them to be.

More about it  here.