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3M™ E-A-RTONE™ Insert Earphone 3A 410-3013, OEM Model, 50 ohm, 1 EA/Case

3M Product Number 410-30133M ID 70071615838UPC 10080529191219
  • 3M PSD products are for occupational use only.
  • NOTE: 3M strongly recommends fit testing of hearing protectors. Research suggests that many users will receive less noise reduction than indicated by the NRR due to variation in hearing protector fit, fitting skill and motivation of the user. If the NRR is used, 3M recommends that it be reduced by 50% or in accordance with applicable regulations.
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Specifications
Attribute Name
Value
Brand
E-A-R™
Case Quantity
1
Hearing Protection Style
Probed for Fit Testing
Product Series
E-A-RTONE
Product Type
Insert Earphone
Details
  • 3M PSD products are for occupational use only.
  • NOTE: 3M strongly recommends fit testing of hearing protectors. Research suggests that many users will receive less noise reduction than indicated by the NRR due to variation in hearing protector fit, fitting skill and motivation of the user. If the NRR is used, 3M recommends that it be reduced by 50% or in accordance with applicable regulations.

The E-A-RTONE™ 3A Insert Earphone is an audiometric transducer designed to be connected to an audiometer for the purpose of testing human hearing. The device provides significant clinical and practical advantages over the supra-aural style earphone.

By directly coupling to the test subject's ear canal, via disposable foam E-A-RLINK™ eartips, the E-A-RTONE™ 3A Insert Earphone for audiometric testing provides both performance and reliability advantages over traditional supra-aural earphones. Benefits (in comparison to supra-aural/TD H-style earphones) include;
- Improved ambient noise attenuation
- Greater interaural attenuation
- Facilitated infection control (via disposable eartips)
- Elimination of collapsed canal artifact
- Better Test/Retest Reliability
- Reduced Occlusion Effect for BC testing

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