• fits 90% of  communications hand & desk microphone replacement needs
  • size: 1/2 inch (=13mm) thick, with 1 inch (=26mm) diameter 
  • Has clear diaphram with a voice coil around a button magnet
  • Compatible with noise-cancelling microphone housings
  • exact fit in KDK TM2 DTMF microphone for KDK-2030
  • user-tested in Vanco CBM74, Kenwood MC50, Realistic HTX100, Uniden HR2510, Yaesu MH31 etc
  • Impedance 500-600 ohms, compatible CB, Ham, Marine VHF FM radios
  • use with matching transformer (not included) for 50K to 100K impedance
  • have been used by many customers for home-brew harmonica microphones.
  • Please use care soldering wires to outside solder-pads (don't disturb voice coil wires on inner pads) 
  • CBK Supply has hundreds of parts in stock:  Local pick-up: GPS 42.279521 -85.544180 
  • We prefer giving pre-purchase advice but eBay blocks your contact info until you actually place an order!