ARTICLE SERIES PTT-EH Product information Comfortable, noise-isolating headset with firstclass audio components • First class audio components • Approx. 27 dB sound insulation • Helmet attachment can be chosen according to the helmet type • Excellent noise cancellation TECHNICAL DATA GENERAL INFORMATION Working principle Operation area Dimensions (cplt) Frequency range Noise reduction Noise Cancelling Sound pressure level Operation voltage SPEAKER Working principle Frequency range
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