It's a 20-channel mixer with 16 mic inputs and 20 line inputs (including 12 mono and 4 stereo line inputs).
It includes Yamaha's SPX digital multi-effect processor with 24 editable effects, D-PRE preamps, 3-band EQ, high-pass filters, and one-knob compressors.
Features USB connectivity for seamless integration with DAWs and compatibility with iPads via the Camera Connection Kit.