Sanken COS-11D-PT-RM/1.8

Lavalier Microphone with Reduced Sensitivity at -9dB and with Pigtails

OUR PART #: COS-11D-PT-RM/1.8 Write the First Review.

  • Overcomes digital transmitter RFI
  • Water Resistant
  • Durable Design
  • Great Clear and Rich Sound
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Selected Model Price: $329.00
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The COS-11D-PT-RM/1.8 is a headworn microphone with lower sensitivity at -9dB with a 1.8m cable with pigtails.

Sanken has introduced the COS-11D, a new version of the popular Lavalier which overcomes digital transmitter RFI (radio frequency interference). In today's wireless transmission systems the microphone must remain unaffected by new forms of digital transmitter signals. While the benefits of the these new systems are obvious, they present new challenges in the area of emission protection. In many cases, noise levels increase and the S/N ratio id deteriorated by the interference of digital transmitters. Sanken has designed the COS-11D specifically to diminish the instances where interference is an issue.

The COS-11D joins the COS-11 tradition of providing an ideal solution for live broadcasting, location recording and studio applications. To provide a wide scope of applications, four colors are available in the COS-11D series: Black, Gray, Beige and White.


  • Overcomes digital transmitter RFI
  • Water Resistant
  • Durable Design
  • Great Clear and Rich Sound
  • 4 Color Choices
  • Improved Moisture Resistance
  • Original Vertical Diaphragm Design
  • Optimized for the Human Voice


  • Directivity: Omni Directional
  • Transducer: Self-polarized condenser
  • Frequency Range: 50Hz - 20kHz
  • Equivalent Noise Level (A-weighted): 28dB-A
  • Max SPL (1% THD): 132 dB SPL
  • Output Impedance at 1kHz: 700 ohms
  • Powering: +3V to +10V
  • Current Consumption: Less than 0.3mA
  • Weight: 10g
  • Connector: None (wire is unterminated)
  • Dimensions: 16.1mm x 4.0mm (diameter), 1.6 (cable length)
  • Included Accessories: HC-11 holder clip, WS-11 metal windscreen, RM-11rubber mount, plastic case, warranty card, instruction manual.
  • *[Mulitple models with optional accessories shown above. See Specifications for included accessories and connector information]


The image shown is for illustrative purposes and shows all color options. Only one microphone with the color of your choice is included.

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