The Galaxy Audio DXMIC is a replacement microphone specifically designed for use with the DX919, DX929, DX939, DX979, and DX29HP ham radio transceivers. With a brand name of Galaxy Audio and a compatibility with HP devices, this microphone unit weighs 1.0000 pounds and comes in a quantity of 10. This high-quality microphone ensures clear and reliable audio transmission for ham radio enthusiasts looking to upgrade or replace their existing microphone.