If you need help finding the exact file or installing/running it (e.g., driver issues on modern Windows), let me know and I can give step-by-step guidance.
The most reliable source is the official Thomann website. Navigate to the product page or use the Thomann download center to access the original Speaker Management Software utility. t.racks ds 2 4 software download
Once connected, the PC software allows you to manage the unit's internal Digital Signal Processing (DSP) capabilities: Output Routing : Configure 2-way, 3-way, or 4-way crossovers. EQ & Dynamics If you need help finding the exact file