pre-cueing stereo on ipad 3

Hello everyone, I have ipad 3 with ios version 9.3.5 and djay 2 version 2.8.8 and I would like to know if it is possible to have the pre-cueing in stereo on the output heaphones and the master also in stereo on the 30 pin dock. so is it possible to have the double stereo output without the need of cable splitter griffin. it seems to me that this is possible since version ios 6 thank you for your help