i sell a unique and great roland tr808 midi in rack + extra controls. the unit is in perfect cosmetics conditons , rack is a 8u high with original 808 frontal panel. has all blue leds for pads, and modifications of to use it by midi with prokadi. pro kadi is included.the extra unit is a rack 6u from ebm that is extra controls for instruments .please contact me for more informations and photos. price negotiable.