High-performance 22-input small-format analog mixer with onboard effects. Low-noise phantom-powered mic preamps. Sapphyre British EQ with sweepable mids per channel. Lexicon effects engine with reverbs, delays, choruses, and modulations. dbx limiters (high-ratio compressors) on input channels. 2-in/2-out USB audio playback and recording. Switchable Hi-Z inputs for guitars, basses, and other instruments. High-pass (low-cut) filters and 48V phantom power on all mic channels. Comprehensive GB Series audio routing. Smooth faders. Rugged metal construction for tour-grade build quality and reliability. Internal universal power supply.