You can use dynamic microphones, or electret condenser microphones, but a solder jumper must be closed to enable bias voltage, see Audio - Pisound Documentation for more details as well as here: Soldering the 5V bias jumpers
You can use dynamic microphones, or electret condenser microphones, but a solder jumper must be closed to enable bias voltage, see Audio - Pisound Documentation for more details as well as here: Soldering the 5V bias jumpers