11/07/18 · The DDJ400 is the replacement for the DDJRB, which is a rekordbox product The S is a Serato DJ product If you want to use either of them with Virtual DJ, they will both work as they're both MIDI devices Both of them use ASIO drivers, which is needed for multiple channels of audio for the master / headphone outputs31/07/18 · Out of the box, the DDJS works with Serato DJ and the DDJ400 works with Rekordbox DJ The DDJS is also compatible with Virtual DJ 8, while compatibility with the DDJ400 is forthcoming The DDJ400 has longer pitch faders for more accurate manual tempo matching, while the DDJS has slightly larger performance pads compared to the DDJ40026/06/18 · The DDJ400 will be available from late June at an SRP of $249 including VAT A licence key for rekordbox dj worth €139 is included with the DDJ400 so you can plug it into your PC or Mac straight out of the box and start mixing If you already own rekordbox dj, upgrade to the latest version to use the controller Key