DESCRIPTION:
This video compares the 2nd gen Focusrite Scarlett 2i2 USB audio interface with the 1st gen 2i4 model and outlines the differences between the 1st and 2nd generation models as well as the 2i2 and 2i4. See the articles below for a list of differences and for latency comparison numbers.

http://masters-of-music.com/focusrite-scarlett-2nd-gen-2i2-vs-1st-gen-2i4-comparison-review-video/

http://masters-of-music.com/focusrite-scarlett-2i2-2nd-gen-vs-2i4-1st-gen-latency-comparison/

Focusrite Scarlett Interfaces at Amazon: http://amzn.to/24PzMyE (affiliate link)