Focusrite's Scarlett 2i4 is a 2 in/4 out USB audio interface featuring two award-winning Focusrite preamps and four high-quality audio outputs. Housed in an anodized aluminum unibody chassis, the Scarlett 2i4 is the perfect audio interface for musicians and digital DJs. Connect Scarlett 2i4 to your Mac or PC and get ready to make music. Since 1985, Focusrite has been a leading manufacturer in the professional audio field. Focusrite mic pres are the choice of leading artists, recording studios and engineers around the world. Those years of audio experience ensure the Scarlett 2i4 sounds as beautiful as it looks. With 4 RCA outputs, a high-level headphone output and pristine audio quality, in a package ready for the road, the Scarlett 2i4 is ideal for today's digital performers and laptop DJs.