Focusrite Scarlett 18i20 (2nd Gen) USB Audio Interface with Pro Tools | First Eight natural-sounding Scarlett mic preamps with plenty of even gain; two newly-designed instrument inputs, ten 1/4-inch balanced jack outputs including a dedicated stereo pair; two headphones output with dedicated gain controls; MIDI I/O; S/PDIF in and out; ADAT I/O (expand your channel count) Class-leading conversion and sample rates up to 192kHz / 24 bit; Super-low roundtrip latency for using your plug-ins in real time without the need for DSP; Focusrite iOS Control - download the free Focusrite iOS Control app and adjust cue mixes remotely from an iPad, iPhone or iPod touch LIMITED TIME OFFER: Free AAS sample player & 2 sound packs, 3 Audio Thing plug-ins, Positive Bias Amp LE 2, and D16 Sigmund by download with purchase and registration by January 10, 2019. Includes Pro Tools | First Focusrite Creative Pack and Ableton Live Lite, Softube Time and Tone Bundle, Focusrites Red Plug-in Suite, 2GB of Loopmasters samples, Choice of one free XLN Addictive Keys virtual instrument, all available via download upon purchase and registration Frequency response - 20 Hz - 20 kHz  0.1dB. Supported Sample Rates: 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz, 192 kHz. Compatible with Windows 7 and higher, and Mac OS X 10.10 and higher. 2-year limited warranty on manufacturing defects