Elk Two Way Listen-In Amplifier Board

Elk Two Way Listen-In Amplifier Board

Add Three Zones of Speaker Outputs and Microphone Inputs to an Elk M1 Security System
  • Creates two way listening capability to Elk M1 security systems
  • Three zones of speakers with adjustable volume
  • Three zones of microphones with selectable mute by zone


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  • Specs
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  • What's Included
  • Elk Products, Inc. has developed this two way listen-in amplifier board as a solution for those looking to install speakers next to their Elk M1 Keypad and add microphones on their Elk M1 Security System. There are three individual speaker outputs, or zones, that will allow for multiple speakers to be wired in parallel or series, each zone with an independent volume control. Three microphone inputs, or zones, can connect up to four individual microphones each. The microphone setup offers the ability to listen to individual microphone zones or all microphone zones at once. By combining speakers and microphones, this device creates a two way listen in setup which can be programmed and operated as part of an Elk M1 security system. Additional units can be daisy chained together to add more speakers or microphones; however, three zones will always be the maximum.

    Important Note: State laws and local ordinances may regulate the use of a two way listen-in device such as this. Verifying regulations is the responsibility of the installer.

  • Specifications

    Manufacturer: Elk
    Manufacturer Product No.: ELKM1TWA
    UPC 762158550652
    Speaker Outputs: Three; multiple speakers on any single output must be wires in parallel or serial to maintina the output impedance
    Output Impedance Range: ~4 to 32 Ohms per speaker output
    Amplifier Rating: 1/2 Watt per speaker output
    Microphone Inputs: Three; up to four microphones may be connected per input; compatible with ELKM1TWM and ELKM1TWS
    Operating Voltage: 9 to 14 Volts DC
    Current Draw: 15mA nominal, 1000mA (1 Amp) maximum
    Microphone Current Draw: 0.5mA each
    Housing Dimensions: 4.25" W x 6.375" T x 2.125" D
    Circuit Board Dimensions: 2.25" x 3.95"

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    • Elk Two Way Listen-In Amplifier Board
    • 12 conductor J16 cable
    • 8 Conductor J7 cable
    • Mounting screws
    • Owner's Manual

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