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3M E-A-R TONE GOLD 3A Insert Earphone 10 OHM for Audiometer.

Provides the most efficient and reliable testing available. More and more hearing healthcare professionals are experiencing the benefits of insert earphones
Couple directly to the ear canal via patented E-A-Rlink foam ear tips that:
Increase inter-aural attenuation and reduce the need for masking
Reduce ambient noise artifact (greater than 30dB) allowing reliable threshold measurement in sub-standard test environments
Minimize the occlusion effect in bone conduction tests
Eliminate collapsed ear canal artifact
Tips are disposable
Tips comfortably fit patients of all ages and canal sizes
IT HAS BEEN TESTED AND IS IN EXCELLENT WORKING CONDITION

PAYMENTS:

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IT INCLUDES ONLY WHAT YOU SEE IN THE PICTURE.