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
Shure MD40 TA4F – Thomann United States
CBLSHU Wireless Headset Mic Cable for Shure® (TA4F Connector) - Galaxy Audio