Amazon.com: HQRP 4-Pin Mini Connector (TA4F) to 1/4-Inch Connector Instrument Cable Compatible with Shure BLX/FP/SLX/ULX-S/UHF-R/Axient Wireless Systems : Musical Instruments
3.5mm Mini Female Jack Stereo 4 Pin 4 Wire Audio W/ Cable Cord Connector DIY 1FT | eBay
Cable Jack Stereo 4 pin 3.5" a 2 x Jack 3.5 Hembra de 30 cm | PcComponentes.com
4-Pin - Ham & CB Radio Microphone Connector - Panel Jack - ARS-9304-PNL
Fan Power Supply Cable 1 to 2 with Big 4 Pin Input Jack for CPU 10.6 Inch | eBay