Check out the DDJ-400, a USB controller for Rekordbox DJ. The replacement of the DDJ-RB offers a more robust controller and even more powerful.
Pioneer DJ DDJ-400 2-deck Rekordbox DJ Controller - Musical Instruments - 112255219
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DDJ-400 - 2-channel DJ controller for rekordbox dj (Black)
Pioneer DJ DDJ-400 USB DJ Controller
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