Shure R175 Replacement Cartridge for Beta 52 or 52A Microphone - GoKnight
Shure R174 Replacement Cartridge For Beta 56, 56A, Or 57A Mic | Full Compass Systems
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PowerProAudio.com diaphragm,voice coil, driver,speaker factory 2pcs New Quality with Microphone Replacement Cartridge Fits for Shure BETA58A Wireless 58A 58 Mic