RME ARC USB, Remote Control, Easy operation of TotalMix FX software, Compatible with RME Fireface UFX + and UFX II (direct) and all RME devices with TotalMix FX (via computer), Controls the DSP-based routing and effects section, USB or remote interface (stand-alone operation), 15 programmable illuminated function buttons, Programmable connection for foot switch, Jog wheel for parameter change, Compatible with RME UFX +, Parallel operation of several interfaces possible, Mac OS and Windows compatible