On pioneer ddj-rz no sound on headphone while play on Apple TV airplay?

I need help with this?I having problem with the pioneer ddj-rz when I connected the ddj on to Apple TV airplay from my MacBook Pro and they play with sound on Apple TV but when I'm using the headphone on ddj-rz and no sound on at all.i check the setting on the rekorkbox audio and they seem to be ok.thank you.