E-MU Proteus VX v2.0.1 Proteus VX is a 24-bit/192kHz standalone/VST instrument for your PC that offers the pristine sound quality and powerful Z-Plane filters of E-MU's powerful Proteus X2 Software Sound Module, plus over 1,000 sounds from E-MU's legendary Proteus 2000 sound module. You can also expand your Proteus VX with any soundset from E-MU's comprehensive sound library. Proteus VX offers you an intuitive sound module interface to quickly dial in your sounds, with easy-to-use librarian and search functions to find that perfect preset in seconds, as well as two discrete effects processors with comprehensive MIDI modulation per preset.