Amazon.com: 3.3 Feet 2.5mm 4 Pole Stereo Male Plug to Bare Wire, Stereo 2.5mm Plug Jack Connector Audio Cable YOUCHENG for Headphone, Microphone, Cable Repair(2-Pack) : Electronics
Sony tiny female audio jack to 3.5mm headphone jack for Sony Walkmen or Diskmen Remote Control | Reverb
Homemade Sony Micro Plug to 3.5mm Audio Jack for Sony Walkman - Etsy
Amazon.com: JOLGOO XLR Female to 3.5mm Stereo Jack Audio Adapter Cable, 3- pin XLR Female to 1/8 inch TRS Mini Jack Adapter Cable, 1 Feet, Balanced Audio Converter Adapter Cable : Musical Instruments
Plug your iPhone Earphone into a Standard 3-Conductor Jack