UC4-UB by SHURE BROTHERS - Buy or Repair at Radwell - Radwell.com
SET OF 2 SHURE UC4-UA AND SHURE UC4-UB WIRELESS MICROPHONE RECEIVER | eBay
Guy-Tech AC / DC Adapter Compatible with Shure P9T Personal Monitor System Wireless Transmitter PSM900 ; Shure UC4, SC4, LX3, LX4, P4M, P4T, Power Supply Cord - Walmart.com