StarTech.com 3.5mm Female to Female Coupler - 3.5mm Audio Coupler - Gold Plated Connectors - Female/Female - Aux Cord Adapter (GCAUD3535FF) - Audio coupler - mini-phone stereo 3.5 mm female to mini-phone stereo 3.5 mm female - black - for P/N: MU15MMS, MU6MMS, SV231QDVIUA, SV231TDVIUA, SV431DL2DU3A, SV431TDVIUA