SKU: 64621110961

MOS UNO - Microphone OnAir Switch

Sale price$195.45 Regular price$217.17
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Description

MOS UNO - Microphone OnAir SwitchSuitable for signaling of on air lamps for microphones. e. g. YELLOWTEC MIKA ON AIR MIC ARM. ON AIR = red OFF AIR: white POWER LED INDICATOR The LED will light up when the 12VDC power supply is present. 12VDC POWER INPUT Ratings: 12VDC (9~18 volt) at 250mA. The polarity is not important Power supply is included MIC OUT (TO STUDIO) Microphone output; connect to your equipment with standard MIC cable (XLR 3pin) PIN1: Ground (Shield) PIN2: Positive (Red)

Suitable for signaling of on-air lamps for microphones. e.g. YELLOWTEC MIKA ON-AIR MIC ARM.

ON-AIR = red
OFF-AIR: white

POWER LED INDICATOR
The LED will light up when the 12VDC power supply is present.

12VDC POWER INPUT
Ratings: 12VDC (9~18 volt) at 250mA. The polarity is not important
Power supply is included

MIC OUT (TO STUDIO)
Microphone output; connect to your equipment with standard MIC cable
(XLR 3pin)
- PIN1: Ground (Shield)
- PIN2: Positive (Red)
- PIN3: Negative (Blue)

MIC ONAIR ARM
Connect to the MIC ON-AIR ARM with standard MIC cable (XLR 5pin)
- PIN1: Ground (Shield)
- PIN2: Positive (Red)
- PIN3: Negative (Blue)
- PIN4: LED (Yellow)
- PIN5: LED (Black)

The supply voltage may be between 9 and 18 volts DC; the polarity is not important.

​On pin 1 and 6 of the 9 pin sub D female or on pin 1 and 2 of the RJ45 a voltage can be applied. Again, a DC voltage; the polarity is not important and the voltage may be between 5 and 18 volts

​On pin 2 and 7 of the 9 pin sub D female or on pin 3 and 4 of the RJ45 a switching contact.

​On pin 3 and 8 of the 9 pin sub D female or on pin 5 and 6 of the RJ45 a toggle function to let the white light signal burn continuously or fluctuate. When activated, the LED on the box will flash briefly. Flashing twice means the white light is on continuously, flashing three times means the white light will fade in and out after approximately one minute.

RJ11 may only be used to connect to the MOS quatro in sync with the white light signalling of the quatro.
Shipping Notes
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 64621110961

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william
Whiting, US
★★★★★ 5
Starter works great
Fits and works great 2005 Mercury mariner 3.0
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Reviewed in the United States on August 29, 2025
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J G.
Omaha, US
★★★★★ 5
Reliable part
The price of this item was a bit of a shock. A good one though. I gave it to my mechanic, he installed it with no problems. Runs just fine. Would buy again
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Reviewed in the United States on May 5, 2026
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Joel sulbaran
Charlottesville, US
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Exelente
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Reviewed in the United States on October 3, 2025
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Lisa Berger
Battle Creek, US
★★★★★ 5
Works and fits as described !
Works perfectly! On time ! Fits perfectly! First time I ordered this item they sent the wrong part completely but this time it’s perfect!
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Reviewed in the United States on March 5, 2025
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Pablo Vargas
Boise, US
★★★★★ 5
Excelente
Muy buen producto. Excelente recomiendo 100%
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Reviewed in the United States on November 1, 2025

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