Assuming I copied the link correctly...
The single MALE 3.5mm connects to your sound source and the two MALE jacks connect to your MPC. Just make sure that it suits your iPhone adapter. https://www.amazon.com/Tisino-Stereo-Y-Splitter-Cable-Breakout/dp/B07K58VX13/ref=mp_s_a_1_5?keywords=3.5mm+male+to+dual+jack&qid=1583349645&sr=8-5