DESCRIZIONE
The present invention relates to a microphone comprising a transducer (20) for transforming acoustic or vibratory oscillations into an electrical signal; a preamplifier (24) for amplifying the electrical signal, and a controllable switch (25) arranged electrically between the transducer (20) and the preamplifier (24), the switch (25) being able to be controlled by a drive signal, the preamplifier (24) comprising an input terminal (60) connected directly to a terminal (56) of the transducer (20), the microphone being able to transmit the amplified electrical signal to a transmission and feed device (13). Furthermore, the present invention relates to a mask comprising such a microphone.