How to set up the DDJ-400

Find instructions on setting up the equipment, installing the dedicated rekordbox music management software, and activating the included rekordbox dj license key.

What the DDJ-400’s buttons, sliders, knobs, inputs, and outputs do

Discover the names and functions of various parts on the DDJ-400’s browser, deck, mixer, and effect sections. Find details about what the various inputs and outputs can do and how you can use them.

How to connect the DDJ-400 to external hardware

Arrange your DDJ-400 setup and connect the controller to external equipment, such as a PC/Mac via USB cable, speakers with a built-in amp, headphones, or a microphone, via the inputs/outputs.

How to start mixing with the DDJ-400

How to switch on the DDJ-400 and begin DJing. We show you how to check your audio setup, add songs to your rekordbox music library, load tracks into the decks, use the Trim, play music, and monitor the sound via headphones.

How to use the DDJ-400’s advanced features

Learn how to create 4 beat loops and change loop playback, use the Performance Pads, trigger Hot Cues, Beat Jump, Pad FX, Beat FX, and the fader and crossfader start functions. You’ll also see instructions on setting cue points, analyzing tracks, recording music, and more.

How to change the DDJ-400’s settings

Find tips on switching to monaural sound or stereo sound and setting the master output’s peak limiter. Use the unit as a MIDI controller and change its default settings.

How to troubleshoot the DDJ-400 and use it with other DJ software

What to do if the power doesn’t turn on, the unit isn’t recognized by your computer, you run into sound errors, the jogs don’t respond, or you face other technical issues. For compatible MIDI messages, click here, or to download driver and firmware updates,  .

Note: the DDJ-400 isn’t compatible with Serato software, but the DDJ-SB3 is.