Inputs & Channels: Maximally 16 line inputs (12 mono plus 4 stereo) or up to 10 microphone inputs.Preamps: Equipped with studio-grade discrete Class-A D-PRE microphone preamps utilizing an inverted Darlington circuit.On-Board Effects: Features high-grade SPX digital processors loaded with 24 customizable preset effect programs.Digital Interface: Includes a built-in 24-bit / 192kHz 2-in / 2-out USB audio interface for seamless recording and playback via a computer or iPad.Dynamics Control: Built-in, easy-to-use one-knob compressors on channels 1 through 8.Chassis Build: Housed inside a rugged, impact-resistant, powder-coated metal chassis built for demanding transport and stage use.