The StudioLive 64S digital mixer and the complete PreSonus® StudioLive Series III ecosystem of AVB networking products allow you to create a system that is truly customized for your needs. 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. 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. The StudioLive 64S is a 64-channel mixer that brings the power of a large format console to small format digital mixing. The small format mixer with large format power.