After teasing us with a few shaky promotional videos and news articles, Denon DJ has finally (and officially) announced the Denon SC3900 Multi-Media USB MIDI controller. This new controller boasts iPod, CD, and USB slots for playback and can be used as an all-out MIDI controller with it's buttons and sliders being fully mappable for a Computer DJ's needs. The 9-inch actively spinning platter makes the S3900 a top-choice for hip-hop and Scratch DJ's and timecode can be used without the use of CD's. Check out the press release below for all the specs. Full review coming Shortly!!! Check out the full video rundown by the DenonDJforums below.