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Amazon.com: TOA Electronics WM-5225-AM-M1D00 Rechargeable UHF Hand-held Condenser Microphone Transmitter, One Frequency Can be Selected from 64 Frequencies (16 Channels x 4 Banks) of 506 – 538 MHz : Musical Instruments
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Amazon.com: TOA Electronics WM-5225 H01 Wireless Microphone; Electret Condenser; On/Off Switch; Cardioid; 64 Selectable Frequencies; Battery Life Up to 10 Hours : Musical Instruments
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