You can record your performances in the following 3 ways:

■ Use a recording device
Connect a recording device to the REC OUT terminal.

■ Use your iOS device
Use [DJM-REC]. You can easily record your DJ mixes with this app.

■ Use your PC/Mac
Use the recording feature in rekordbox when your computer is connected to the DJM-A9.

Click the [REC] icon at the top left of the rekordbox screen to display the recording panel in the middle of the screen.
Click the REC button in the panel to start/stop recording.
For details, see [Recording] in [PERFORMANCE Mode] or [EXPORT Mode] in the rekordbox Instruction Manual.
See the rekordbox Instruction Manual [here].