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CH-3 FLX2 Neckband Headset with PTT

MT74H52B-111 | 3M Peltor
The 3M Peltor CH-3 FLX2 Neckband PTT Headset is designed to improve communication and hearing protection in noisy environments, featuring a newly designed speaker and microphone, integrated PTT, and high-visibility yellow color. It features an external jack for communication devices, a noise-cancelling microphone, and offers a SNR of 28 dB according to EN352-1:2002.
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Description
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Description

The 3M Peltor CH-3 FLX2 Neckband Headset with PTT is designed to take hearing protection and communication in noisy environments to a new level of performance. The documentation describes a newly designed speaker and microphone, a modern, slim cup design, and a bright yellow color for improved visibility.

For the part number MT74H52B-111, 3M Peltor identifies the CH-3 FLX2 Headset with Built-In PTT, Neckband, Yellow variant. The model with integrated PTT is suitable for environments where it is important to remain connected to portable or fixed systems throughout the day, such as construction, airport, pulp and paper, and other noisy workplaces.

Specifications include a 6-pin FLX2 mini XLR connector, a 46 mm diameter speaker with an impedance of 230 Ohm plus or minus 10%, a frequency response of 100 Hz to 8000 Hz, and IP54 protection. The microphone is a 150 Ohm dynamic noise-cancelling microphone, with IP68 protection up to 6 m for 30 minutes and a frequency response of 200 Hz to 7 kHz.

For the MT74H52B-111 variant, laboratory attenuation data according to EN352-1:2002 report an SNR of 28 dB, with values ????of H 31 dB, M 25 dB and L 16 dB. The -111 configuration also includes a dedicated pinout for the integrated PTT.

Key Features
  • FLX2 CH-3 Neckband Headset with PTT
  • Yellow neckband variant with integrated PTT
  • Newly designed speaker and microphone
  • Slim design and bright yellow for high visibility
  • FLX2 6-pin mini XLR connector
  • 150 Ohm dynamic noise cancelling microphone
  • IP68 microphone protection up to 6 m for 30 minutes
  • 46 mm diameter speaker, 230 Ohm plus or minus 10%, IP54
  • SNR attenuation of 28 dB, H 31 dB, M 25 dB, L 16 dB
  • Suitable for noisy environments and for operators who need to remain connected to portable systems or fixed

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