KENWOOD HF MICROPHONES are world famous for their quality sound performance and durability.
The MC50 Microphone is the non amplified base station microphone. The other versions like the MC60, MC80 & MC85 are "amplified" microphones.
The Kenwood MC-60 is probably the most popular when compared to the other used mics in the Kenwood line.
The MC-60 is often very affordable due to sheer number of them for sale. Get one while you can.