MCM Electronics

Voice Activated Relay



    Voice Activated Relay

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    555-ST-VOX1 - RDL Voice Activated Relay

    Versatile module accepts unbalanced line or mic level signal and provides switched DPDT contacts. An open collector output is also provided for slave units. Applications include converting PTT (push to talk) function to hands free, automatic muting and audio signal sensing for auto-power-on…

    Mfr Name: Radio Design Labs

    Mfr Number: ST-VOX1

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    On Backorder (Expected in 17 days)


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    28-22952 - Vox Control w/Microphone Pre Assembled Module Board

    Voice Activated Relay w/Microphone VOX module with included microphone and sensitivity control. Requires: 12VDC/55mA power supply (sold separately).

    Mfr Name: Cebek

    Mfr Number: PM-14

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    On Backorder (Expected in 52 days)


    (MSRP $29.95)
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    555-2870 - Voice Activated Relay

    Voice Activated Relay This device monitors audio activity over a wide range of input voltages and operates a DPDT relay. It may be used to detect voltages as low as that directly from a microphone, or as high as from a 70V speaker system.

    Mfr Name: Bogen Communications

    Mfr Number: VAR1

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    On Backorder (Expected in 19 days)


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    28-4825 - Voice Activation Relay

    Voice Activation Relay Pre-assembled board switches output relay when audio signal level is detected. Input level 50mV, 10Kohm. Sensitivity is adjusted via a board mounted potentiometer. Output relay contacts rated at 5A. Required supply voltage 12VDC, 55mA (sold separately).

    Mfr Name: Cebek

    Mfr Number: PM-11

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    On Backorder (Expected in 52 days)


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