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Audio Amplier Module with Two Way Listen-In Capability
Provides 3 zones of amplied speaker outputs with adjustable volume, along with 3 zones of
microphone inputs. The M1TWA can be used to add two way listen-in to M1 Controls or to just add
amplied speakers at keypads and other locations in a building.
• 3 Amplied 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-M1 or ELK-M1EZ8 Controls
• Compatible with: ELK-M1TWM, ELK-M1TWS,
ELK-M1TWSF
• Output Impedance Range: ~4 to 32 Ohms per
speaker output
• Amplier Rating: 1/2 Watt per Speaker Output
• Operating Voltage: 9 to 14 Volts D.C.
• Current Draw: 15mA nominal, 1000mA max
• Microphone Current Draw. 5mA each
• Housing Dimensions: 4.25" x 6.375" x 2.125"
• Circuit Board Dimensions: 2.25" x 3.95"
ELK-M1TWA
7 62158 55065 2
M1 Two Way Microphone
Microphone only for use with the M1 Controls two way listen-in interfaces.
• Simple two wire connection
• High Sensitivity
• Up to 12 may be connected
• Operating Voltage: Powered from
M1TWA, M1TWI or M1EZ8TWI
• Current Draw: 5mA each
• Circuit Board Size: 1.63” diameter
ELK-M1TWM
7 62158 55023 2
M1 Two Way Speaker/Microphone
Microphone and 20 Watt Speaker combination for use with the M1 Controls
two way listen-in interfaces
• Requires 4 conductor cable.
• Up to 12 may be connected.
• Color: White
• Size: 4.25" x 4.25" x 2.13"
ELK-M1TWS
7 62158 55022 5
M1 Two Way Flush Mount Speaker/Microphone
Flush Mount 12 Watt Speaker and Microphone combination for use with the M1
Controls two way listen-in interfaces
• Fits single gang electrical boxes
• Requires 4 conductor cable.
• Up to 12 may be connected.
• Color: White
• Size: 4.81" x 3.13" x 1.69"
ELK-M1TWSF
7 62158 55074 4
M1EZ8 Two Way Listen-In Kit
Complete kit for two way communication with M1EZ8 control
• Includes two-way interface,
ELK-M1EZ8TWI, plus a two way
speaker/microphone, ELK-M1TWS
• Color: Interface-Black,
Speaker- White
• Speaker Size: 4.25" X 4.25" X 2.13"
• Interface Size: 4.5" x 3" x 1.2"
ELK-M1EZ8TWK
7 62158 55036 2
M1Gold Two Way Listen-in Kit
Complete kit for two way communication with M1Gold control
• Includes two-way interface,
ELK-M1TWI, plus a two way
speaker/microphone, ELK-M1TWS.
• Color: Interface-Black,
Speaker- White
• Speaker Size: 4.25" X 4.25" X 2.13"
• Interface Size: 4.5" x 3" x 1.2"
ELK-M1TWK
7 62158 55024 9
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