A compact, desktop item custom built for a client who was fed up with this active desktop monitor controller not weighing enough, being pulled off the table by its own cables, and various other issues.

Considering known source and destination impedances with proper unbalancing and grounding, we were able to make this controller entirely passive without the need for transformers. Contained inside are just gold plated switches, resistors, wire, and mass. Eisen Audio has found that passive circuits can in some cases sound more transparent than anything active when properly designed and implemented, which can be helpful when monitoring.