Digital mixer and USB audio interface. The StudioLive 32S is a powerful 32-channel mixer that provides the ultimate mixing experience, packing large format features into a small format chassis. Powered by the dual-core PreSonus FLEX DSP Engine, the StudioLive 32S digital mixer is equipped with 40 mixing channels, 26 mix buses, and 286 simultaneous processors—including 4 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 network audio I/O, flexible routing options, and studio-grade audio quality, the StudioLive 32S delivers a fast and intuitive, surface-driven workflow for total control. Spend less time menu-diving and more time mixing—hands-on.