- Up to 12 may be connected to one M1TWI or M1EZ8TWI
- Operating Voltage: Powered from M1TWI or M1EZ8TWI
- Current Draw. 5mA each
- Speaker Impedance: 8 ohms
- Speaker Rating: 20 Watts Nominal
- Size: 4.25" x 4.25" x 2.13"
- Color: White
Microphone and 20 Watt Speaker combination for use with the ELK-M1TWI and ELK-M1EZ8TWI Two Way Listen-in interfaces. Requires 4 conductor cable. Up to 12 may be connected.