Amplified Two Way Listen In Interface


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.


Product Details

  • 3 Amplified Speaker Zones
  • Adjustable Speaker Volume Control by Zone
  • Selectable Mute by Zone
  • 3 Microphone Input Zones (up to 4 mics per zone)
  • Selectable Mic Listen by Zone or Select ALL
  • Interfaces to ELK-M1Gold Controls
  • 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"


  • Two-Way Listen-In/Amplifier Board
  • Plastic Housing
  • 4 #6 Plastic anchors
  • 4 #6 Pan Head Sheet Metal Screws
  • M1 to ANC Cable Assembly
  • 12 Conductor Cable Assembly
  • Instructions

Locate an ELK Authorized Distributor Near You!

For more infomation, call ELK at (800) 797-9355.

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