This is a Pioneer CDJ set, boasting the No. 1 recognition and popularity in the industry. This set is packed with features for beginners to advanced users alike. Made by Pioneer CDJ-400 x 2 units DJM-400 Mixer manufactured in 2009, CDJs manufactured in 2009 and 2008 No original boxes. Operation confirmed. Purchased new by a single owner, and has been stored unused for the past few years. Scratch play has not been performed. You can start DJing immediately by connecting it to a component stereo system or speaker amplifier. There are no complicated connections. Please understand that this is a used item before purchasing.