Audio out from Picade screen


Just purchased the new Picade kit, two in fact (8" LCD). Apart from one dodgy PCB board where the power cable doesn’t click in, and one kit having the holes not precise on the plastic screen holder (which I ended up reinforcing with sticking pads as the perspex was bowed that much - rant over !)…

Is there a way to get audio from the back of the screen itself, I see there is a spare connecter hole on the back of the screen circuit board and wondered if I could drive audio out of it with a cable made?? Any ideas ?