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HereYou will find the Open Source Room Correction (Open DRC) and of course the most cost effective room correction based on the miniDSP 2x4 boxed.


AcourateDRC is the next generation of AcouratePRO software from Dr Ulrich Brüggemann. Designed with simplicity in mind, AcourateDRC exports filters who can be imported into the OpenDRC.
An easy to use interface for an efficient result at the correct setting for the listening environment; The soundstage becomes more stable and deep by improving the coherence of left and right side speakers. The boom factor caused by standing waves and room modes is removed. The end result is a clean sound with a controlled bass.

What you want

A miniDSP OpenDRC-DI or OpenDRC-AN
AcourateDRC to generate the correction filters. A demo version is currently available at the following link. Purchase of the license to extract the filter is also available via Paypal through the software for 75EUR.
A measurement microphone search as UMIK-1

Note that AcourateDRC is a Windows-only program. If you are not sure if you want to use your soundcard with AcourateDRC, downloadversion and go through the measurement process described below. This program is a 3rd party program. All support questions should be directed to AudioVero.

System setup

You want to get the OpenDRC connected into your system.

OpenDRC-DI: your digital source or sources are connected to the OpenDRC inputs, and the OpenDRC output is connected to your DAC. Since the OpenDRC-DI has a volume control, you can use it as a digital preamp.

OpenDRC-AN: Your preamp is connected to the OpenDRC inputs, and the OpenDRC outputs are connected to your power amp. Or, if you have a single source, you can use the OpenDRC-AN as the preamp as it has volume control on board. The connections are balanced, so you want to use adapters.


833,00 € 599,00 € *
1 1 | 599,00 €/1
654,50 € 469,00 € *
1 1 | 469,00 €/1
142,80 € 99,00 € *
1 1 PIECE | 99,00 €/1 PIECE
425,00 € *
1 1 PIECE | 425,00 €/1 PIECE
251,99 € 239,00 € *
1 1 PIECE | 239,00 €/1 PIECE
202,29 € *
1 1 PIECE | 202,29 €/1 PIECE