The StudioLive 64S is a 64-channel mixer that brings the power of a large-format console to small format digital mixing. Powered by the new quad-core PreSonus FLEX DSP Engine, the StudioLive 64S digital mixer is equipped with 76 mixing channels, 43 mix buses, and 526 simultaneous processors – including 8 stereo reverberation systems, and Fat Channel plug-in models on every input channel and mix bus. With 128 (64X64) channels of USB recording, 128 channels of AVB I/O, flexible routing options, and the studio-grade audio quality that made StudioLive mixers famous, the StudioLive 64S delivers a truly exceptional mixing experience that's in a class of its own. 

Features include: 

• Powered by the new quad-core PreSonus FLEX DSP Engine.
• 76 input-channel digital mixers with 33 touch-sensitive motorized faders.
• 43 mixed buses.
• 526 simultaneous processors.
• State Space-Modeled Fat Channel compressor and EQ plug-ins available on every input channel and output bus.
• FLEX FX multi-effects processor with 8 slots.
• 24 DCAs to control groups of channels.
• 128-channel (64x64) recording over USB.
• Onboard multi-channel SD recorder (34x34) with true Virtual Soundcheck mode.
• AVB Networking on board (64x64) to connect with other mixers, NSB-series stage boxes, EarMix 16M personal monitor mixers, and more.
• User Profiles for managing multiple operators with custom permissions. 
• Per-channel digital patching from any analog, AVB, USB, or SD Card source.
• DAW Control.
• Remote control every mix function from your computer, iPad, or Android tablet with UC Surface (included).
• Put your musicians' monitor mix under their fingers with QMix-UC (included) for iOS or Android.
• Capture multitrack software included.
• Advanced Studio One integration (Studio One Artist Included).