High-quality op-amps for transparent and articulate sound. D-PRE preamps for natural-sounding bass and smooth highs. Onboard digital effects with 24 editable options. One-knob compressors for easy dynamics control. 24-bit/192kHz 2-in/2-out USB audio interface for high-resolution recording and playback. Durable metal chassis. 16 line inputs (8 mono, 4 stereo) and 10 microphone inputs. Phantom power and high-pass filter for each channel. Multiple outputs including stereo, monitor, auxiliary, group, and headphone