The M1TWK is a complete kit that includes an interface and a speaker. This kit is offered to save you a little money on startup by giving you all that you'll need to enable your M1 Gold to have 2-way listen-in ability.
Specifications:Interface:• Requires ELK-M1TWM or M1TWS Microphones • Operating Voltage: 12 Volts D.C. • M1TWI Board Current Draw: 10mA • Microphone Current Draw. 5mA each • Housing Dimensions: 4.375" x 3.0" x 1.125" • Circuit Board Dimensions: 3.5" x 2.75 Speaker:• Operating Voltage: Powered from M1TWA, 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 |