Quinta 3.1.1 could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. We recommend checking the downloaded files with any free antivirus. The actual developer of the free software is beyerdynamic Gmbh. The most popular version of the software is 1.2. Commonly, this program's installer has the following filename: Quinta.exe. Quinta lies within System Utilities, more precisely Device Assistants.
From the developer:
Using the Quinta Conference Software you can control and configure the numerous parameters for the Quinta MU microphone units and the Quinta CU control unit. The Quinta CU control unit is able to control 150 wireless microphone units with loudspeakers.
You may want to check out more software, such as EOS Utility, iPHUC for Windows or MyGPS, which might be similar to Quinta.