The main features of the Soundcraft Signature 12 MTK Mixing Desk include: 12 channel mixer 8 iconic Soundcraft Ghost mic preamps with ultra-low noise performance 3-band Sapphyre EQ 2 dbx limiters (High-ratio Compressors) on input channels 3 AUX inputs 2 mono/1 stereo subgroups Dual Lexicon® Effects Engines featuring award-winning Reverbs, Delays, Choruses and Modulations 14-in/12-out ultra-low latency USB audio playback and recording interface Switchable Hi-Z inputs for guitars, basses and other instruments Hi-Pass Filters (low-cut) and 48V Phantom Power on all mic channels Comprehensive Soundcraft GB Series audio routing Smooth premium-quality 60mm faders Robust metal construction for tour-grade build quality and reliability Internal universal power supply