DDJ-GRV6 4-Channel DJ Controller for rekordbox and Serato DJ ProThe DDJ GRV6 is a next generation 4 channel DJ controller thats compatible with both rekordbox and Serato DJ Pro. It includes the new Groove Circuit feature (available in rekordbox) which DJs can use to easily remix drum parts and perform remixes on the fly. When used with Serato DJ Pro, the DDJGRV6 can manipulate and separate Stems using the Stems FX feature. With the Groove Circuit function, you can easily create remixes by simply pressing the