I transferred a 10kb file with just my PC headset mic and 3DS speakers. It took a long time! I bought a four conductor cable and that seems to help but I can't hear what's going on which actually makes it a bit harder.
i think you can make a action shooter game top, side scroll, or first person, spite base may work faster then rendering. Its all how you may code the routines all high priority routine sould be on top in basic to help with slowdowns anyway back to topic.
so it uses trrs Tip L audio R Audio Mic grd that be standard right? apple use T-L-R-G-M, I think! Does old 3ds xl have trrs support?