3.5 mm headphone jack that will fit the Advance SP Unhinged as an add on part. This will require you to secure it in place and also hardwire to your SP board.
Our assembly instructions show the connection points to the Nintendo PCB. The connections on the headphone jack may differ.
-Trimming/bending the headphone jack metal legs down so they do not touch your PCB if recommended
-Using 30 ga wire and/or wire with thin insulation recommended to make wire routing easier