No sound output but I can hear in headphones DDJ RB

No sound output but I can hear in headphones DDJ RB

Please help the Mrs is out and I wanted to play, but, I have no sound output :disappointed:
Channels up, trim up, cross fader the the middle. The stereo and laptop both work fine, unclick the blue thing on rekordbox and nothing.
I do have sound from headphones.
Please help.

new rcas? new usb a cable?

are the headphones plugged into the laptop or the ddj? Are you getting levels indicated on the DDJ mater level LEDs?