Shure UR4D Wireless Receiver w/ UR2/SM58 and UR1 - L3 • Available from ChurchGear
Shure: Shure UR4D Wireless Micophone Receiver Service Manual : Free Download, Borrow, and Streaming : Internet Archive
Shure UR4D Wireless Receiver with UR2/BETA58 Mic and UR1 Belt Pack - G1 CG00UB5 | Reverb Canada
Used UR4D Q5 by Shure - Item# 43828
Shure UR4D and 2 UR2/Beta58a , all H4 518-578 Mhz good | 1800 EUR - Gebrauchte-Veranstaltungstechnik.de - Der Marktplatz für gebrauchte Veranstaltungstechnik