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Teck Chye Tang Tue, 07/02/2013 - 00:39
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Cisco Performance Mic 20 Specifications

  • Intuitive mute function directly on microphone with status indicator
  • Omni-directional, boundary microphone.
  • Excellent RF resistance and low self noise.
  • 3.5 mm four-pin mini-jack connector and 7.5 meter cable.
  • Robust and well suited for long-term meeting room use.
  • Designed by Cisco.

Technical details:

  • Directivity: Omni-directional (uniform in hemisphere above boundary)
  • Frequency response: 80-15 kHz | 80-3 kHz ± 3dB | 80-15 kHz ± 6dB
  • Sensitivity: -35dB ±3dB rel. 1V/Pa.
  • Max SPL: 110dB (3% THD @ 1kHz)
  • Self-noise: < 29 dBA , > 65 dB SNR (Signal to Noise Ratio)
  • Mic. output: Differential
  • Phantom power: 12 V
  • Output connector: 4 pin 3,5 mm mini-Jack (Shield: GND / ring 2: muter detect / ring1: signal - / Tip: signal +)
robert.ramlall@... Wed, 06/11/2014 - 11:07
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Is there an extension cable from Cisco (male to female) for these mics and if so, is there a length restrictions before any issues occur that would affect quality or functionality?

If there's a Cisco extension please provide the part #.



Wayne DeNardi Wed, 06/11/2014 - 16:59
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Yes, there is a 10m extension cable available from Cisco, part number is CAB-MIC20-EXT=.

The microphone and cable were only designed for a single extension cable, however, if you make your own extension with quality cabling (22/4 gauge shielded audio cable) and connectors you can get a longer distance (length will vary depending on the voltage drop characteristics of the cable you choose).

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