The MC-60A microphone uses a dynamic microphone capsule. The impedance can be switched between 500 Ω and 50 kΩ. A switchable preamplifier is integrated in the base, which requires two AA-Mignon batteries for operation. With the preamplifier, the microphone can also be used on older transceivers; with newer devices, the VV is usually not necessary. The transmitted frequency range without preamplifier is 150 to 10000 Hz and with VV about 200 to 7000 Hz.