The Focusrite 18i20 brings the recording performance of 8 award-winning Focusrite mic preamps and combines them with a high-quality 24-bit/96kHz USB 2.0 interface thats compatible with Mac, Windows, and iOS platforms, which means legendary recording performance on the iPad (Apple Camera Connection Kit required). Focusrites mic preamps are found in the worlds top studios and give the 18i20 an unequalled level of performance, with low noise, minimal distortion and enormous dynamic range. The Scarlett preamps offer exceptional headroom, and two front-panel inputs also offer 10dB pad buttons to handle the highest-level inputs without distortion. Comprehensive inputs/outputs With 18 inputs and 20 outputs, Scarlett 18i20 includes enough I/O to handle the vast majority of day-to-day studio tasks at maximum quality, with maximum flexibility. Scarlett 18i20 features six combo XLR/jack mic/line inputs plus two front-panel XLR/jack mic/line/instrument inputs with 10dB pad buttons, 10 analogue line outputs, two independent headphone outputs on the front panel, and ADAT and S/PDIF digital I/O, plus MIDI I/O and Word Clock out for digital synchronization when required.