Sanken COS-11D-BP
Battery Powered Miniature Lavalier Microphone with XLR Conector


The COS-11D lavalier overcomes digital transmitter RFI (radio frequency interference).
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Selected Model Price: $469.00
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Sanken COS-11D-BP
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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.

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 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 is battery powered.


  • 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
  • AA battery
  • Instruction manual
  • Warranty card
  • Vinyl case


  • Directivity: Omni directional
  • Transducer: Self-polarized condenser
  • Frequency range: 50Hz - 20kHz
  • Sensitivity (nominal at 1kHz): 6mV/Pa(-44.5dB,0dB=1V/Pa)
  • Equivalent noise level (A-weighted): 28dB-A
  • Max SPL (1% THD): 120dB SPL
  • Output impedance at 1KHz: 200 ohms
  • Powering: AA battery, +12V to +52V
  • Current consumption: less than 0.8mA (AAbattery) 
  • Weight: 122g, 139g (with AA battery)
  • Dimensions: 16.1mm X 4.0mm (diameter)
  • Connector: XLR-3M

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