This COS-11D is wired with a TA5F connector for use with Lectrosonics SM series transmitters and a 1.8m cable. It includes a tie clip, rubber mount, and windscreen.
The "RED MARK" designation indicates a microphone with -9db attentuation for close microphone positioning and for louder voices, up to 134dB SPL.
The COS-11D overcomes RFI (radio frequency interference) from the digital transmitter. In todays wireless transmission systems, the microphone must remain unaffected by new forms of digital transmitter signals. 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 to diminish the instances where interference is an issue.
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