Pioneer DDJ-FLX4 Instruction Manual page 115

4 Move the channel fader to the top.
5 Adjust the volume of the speakers to a level you're happy with.
When using a USB connection: Turn the [MASTER LEVEL] knob to adjust the
volume of sound from the [MASTER] output terminal.
• If you can't output sound from the [MASTER] output terminals or the unit isn't
recognized by your mobile device, see: Troubleshooting (page 150).
When using a Bluetooth connection: Sound outputs from your mobile device.
• Adjust the volume of the speakers of the mobile device, or speakers
connected to your mobile device, instead of using the [MASTER LEVEL]
knob.
rekordbox for iOS/Android
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