Forged out of the toughest materials around and ready to hit the road, the RRDJWS4 DJ workstation is built smart with our 3 level design that includes a 3-space vertical rack on the top for your CD controller, a slanted 7- space midlevel rack to accommodate your choice of 19&quot mixers and a bottom 4U rack for your CD player or effects. And for added comfort we even included a unique rear hinged door for easy connections to your gear