RARO Rosso Pioneer EFX-500-R Enferno DJ Performance Effector Isolatore / Beat FX

"This seems so outdated now, but ironically it is not! The Father to the EFX-1000 and eventually the RMX-1000, Most of the effects on the EFX-500 found their way to the DJM series. However, what hasn't still is the on board Isolator, the Frequency selector for the Beat FX with it's own Wet/Dry AND level depth.

eBay