Sanken COS-11D-PT-TA5
Miniature Lavalier Microphone with a TA5 Connector and 1.8m Cable


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The COS-11D-PT-TA5 is a miniature lavalier microphone with a 1.8 meter cable with a TA5 connector custom wired depending on the transmitter specifications that is being used.

Note: These items are custom wired in most cases. In order to place an order for this item, we will need to know what transmitters are being used. Please contact your sales representative for more information on this and other products.

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

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 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 is deteriorated by the interference of digital transmitters. Sanken has designed the COS-11D specifically 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 
  • Sensitivity (nominal at 1kHz): 8.9mV/Pa (-41dB,0dB=1V/Pa)
  • Equivalent Noise Level (A-weighted): 28dB-A
  • Max SPL (1%THD): 123dB SPL
  • Output Impedance at 1kHz: 700 Ohms
  • Powering: +3V to +10V
  • Current Consumption: Less Than 0.3mA
  • Weight: 10g
  • Connector: TA5
  • Dimensions: 16.1mm x 4.0mm (diameter), 1.6m (cable length)
  • Included Accessories: HC-11 holder clip, WS-11 metal windscreen, RM-11rubber mount, plastic case, instruction manual, warranty card.
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