Channel Capacity: Offers a maximum of 16 Microphone / 20 Line inputs. This breaks down into 12 mono channels and 4 stereo channels.Microphone Preamps: Equipped with studio-grade "D-PRE" Class-A preamps utilizing an inverted Darlington circuit to provide clean, natural audio amplification.Built-in Digital Effects: Features an onboard SPX digital multi-effect processor loaded with 24 distinct, editable effects programs for processing vocals or instruments.USB Connectivity: Functions as a 24-bit / 192kHz 2in / 2out USB audio interface for direct playback from or recording to computers and mobile devices.Chassis Design: Constructed with a heavy-duty, powder-coated metal chassis for structural durability under rigorous live touring environments.