Connector: 4 Pin Mini XLR. Pyle UHF Wireless Microphone System w/2 Handheld Mics Selectable Frequency. Pyle UHF Wireless Microphone System Handheld Lavalier & Headsets PDWM4540. Pyle UHF 2 Channel Wireless Handheld Microphone, Portablem w/ Bluetooth Receiver.
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