ELK M1TWA Amplified Two Way Listen In Interface
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Provides 3 zones of amplified speaker outputs with adjustable volume, along with 3 zones of microphone inputs. The M1TWA can be used to add two way listen-in to the M1 Control or to just add amplified speakers at keypads and other locations in a building. Each of the 3 amplified speaker zones can drive a maximum combined impedance range of 4 to 32 Ohms, permitting multiple speakers to be connected. Each zone includes a mute option that is triggered via an output from the control. The 3 microphone zones can handle up to 4 individual microphones each. Specifications: Output Impedance Range: ~4 to 32 Ohms per SPKR Output Multiple speakers on any single output must be parallel or serial connected to maintain rated impedance Amplifier Rating: 1/2 Watt per Speaker Output Microphone Inputs: Up to 4 Mics per input. Compatible with: ELK-M1TWM, ELK-M1TWS Operating Voltage: 9 to 14 Volts D.C. Current Draw: 15mA nominal, 1000mA (1 Amp) maximum Microphone Current Draw. 5mA each Housing Dimensions: 4.25" x 6.375" x 2.125" Circuit Board Dimensions: 2.25" x 3.95"