Sanken COS-11D-PT-RM/3.0
Lavalier Microphone with Reduced Sensitivity at -9dB and with Pigtails and 3m Cable


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The COS-11D-PT-RM/3.0 is a headworn microphone with lower sensitivity at -9dB with a 3m cable with pigtails.

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

The COS-11D lavalier overcomes digital transmitter RFI (radio frequency interference). In many cases, noise levels increase and the S/N ratio is 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 is 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.

This version comes with a 3m cable (stripped end), and no connector. 9dB attenuated sensitivity.


  • Overcomes digital transmitter RFI
  • Vertical Diaphragm Design
  • Clear and Rich Sound
  • Water Resistant
  • Durable Design
  • 4 Color Choices

Included Accessories:

  • HC-11 holder clip
  • WS-11 metal windscreen
  • RM-11 rubber mount
  • Instruction manual
  • Warranty card
  • Plastic case


  • Directivity: Omni directional
  • Transducer: Self-polarized condenser
  • Frequency range: 50Hz - 20kHz
  • Sensitivity (nominal at 1kHz):  3.2mV/Pa(-50dB,0dB=1V/Pa)
  • Equivalent noise level (A-weighted): 28dB-A
  • Max SPL (1% THD): 132dB SPL
  • Output impedance at 1KHz: 700 ohms
  • Powering: +3V to +10V
  • Current consumption: less than 0.3mA
  • Weight: 19g
  • Dimensions: 16.1mm X 4.0mm (diameter)
  • Connector: Connector-less
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