PreSonus® StudioLive® Series III 64S Digital Console Mixer With the 64-channel StudioLive® 64S and a full suite of integrated software, PreSonus® delivers the most powerful and flexible digital console available for installed sound, touring, and recording—and the best value. Powered by the PreSonus quad-core FLEX DSP Engine, no other mixer can match its 128-channel (64x64) USB recording, 76 mixing channels, 43 buses, and an astounding 526 processors. Features such as password-protected user profiles for restricting feature access and mixer scenes organized by project, make the StudioLive 64S ideal for installed sound. Thanks to built-in AVB networking, the StudioLive 64S integrates with stage boxes, personal monitor mixers, switches, and more. Managing 76 total inputs is easy with 32 FlexMixes and 24 DCA groups. The Fat Channel processing section offers expandable plug-ins with vintage-style EQ and compression options on every channel and output bus.