Focusrite Scarlett 18i20 (1st GENERATION) USB Audio Interface With Eight Focusrite Microphone Preamplifiers Eight high-quality award-winning Focusrite preamps High-quality 24-bit/96kHz USB 2.0 interface, Compatible with Mac OS X 10.8/Windows 7 or higher 18 inputs & 20 outputs with dual independent headphone buses Scarlett MixControl ultra-low-latency DSP mixer/router Includes an authorization code for Ableton Live Lite, Scarlett Plug-in Suite (RTAS/AU/VST), Red 2 & Red 3 Plug-in Suite (AAX/AU/VST), the Softube Time and Tone Bundle, Novation Bass Station, and 1GB of Loopmasters samples