Shure Brothers SC4-CT Wireless Microphone System Receiver - USED | eBay
Set of 2, Shure SC4 Wireless Microphone Receivers | eBay
Shure SC4 Receiver-Lapel & SM58 Mic-Wireless System | #150363437
SHURE SC4-CU WIRELESS Microphone System Receiver *Tested* $19.67 - PicClick
Amazon.com: PK Power AC DC Adapter Replacement for Shure UC4 SC4 LX3 LX4 P4M P4T ULXP4 ULXS4 PS40 PS40US PS41 PS41US Wireless Receiver Instrument System Power : Musical Instruments