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RTS Telex
http://www.rtsintercoms.com
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PH-81

Single-Sided Headset with 20Ω Omnidirectional Carbon Mic

  • Easy head size adjustment
  • Highly sensitive magnetic earphone elements
  • Mic can be worn on either side of the head
  • No-tangle unterminated coil cord
  • Omni directional carbon microphone
  • Polyurethane covers that resist cracking
  • Vents allow air to circulate providing day-long comfort
  • Washable nylon socks are provided for ear cups
Color Gray
Connector Options Stripped wire
Cord Flexibility Coiled
Cord Length 0.08" (2 mm)
Frequency Response 600 Hz - 10 kHz
Impedance 275 Ω
Microphone Frequency Response 100 Hz - 6 kHz
Microphone Impedance 20 Ω
Microphone Sensitivity -28 dBV/Pa
Microphone Type Carbon Omni-Directional
Sides Single-Sided
Speaker Sensitivity 100dB SPL/mW
Weight 12 oz (340.19 g)

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