Desktop 4-in/4-out USB audio interface with class-leading 24-bit/192 kHz audio conversion for Mac, PC, iPad, and iPhone Vintage Mic Preamp mode for recording voice or guitar with the rich, full sound of a classic UA tube preamp Built-in 76 Compressor adds instant clarity and punch to voice, instruments, and other sources with all-new analog circuit based on UA's iconic 1176 Essential suite of audio and music software from Ableton, Melodyne, UJAM's Virtual Drummer, Marshall, Ampeg, and more Studio-quality headphone amplifier for loud, clear monitoring 48V phantom power for condenser microphones Direct Monitoring for latency-free recording Stylish, rugged construction built to withstand years of use 1-in/1-out MIDI connections