Akai Professional AFX 4-deck FX Controller for Advanced Serato DJ Performance with 1 Year Free Extended Warranty Provides extensive hands-on audio command of Serato DJ Tweak effects, manage loops, trigger samples, set cue points, and more Serato Flip-capable  create custom edits, extend your music or re-imagine it altogether in the studio or club (download included) Adds additional control options to any Serato DJ setup including DVS and HID players 4 decks of Serato DJ control over a single USB connection