Designed for professional mobile and club DJs, the CDX1700is TASCAM DJ’s top-of-the-line dual CD player. Along with all of the CD-X1500’s features, the top-of-the-line CD-X1700 has a larger jogwheel, reverse playback, on-board multi-effects, Key Original (master tempo) in all tempo ranges up to 100%, and dedicated 10-second samplers on both controller sides. It plays back MP3 encoded CDs and can pitch bend and change MP3 file tempo. The CD-X1700 also supports the TT-M1 scratch controller.