Etymotic ER-3C Insert Earphones Model:ER-3C 10 Ohm full impression every time

full impression every time

this is a great option for basic wax cleaning and management of hearing aids

Specification

Harp Plus features an integrated 4 GB flash memory for storing your speech material

INCREDIBLY PORTABLE

Etymotic ER-3C Insert Earphones Model:ER-3C 10 Ohm full impression every timeThe Etymotic ER 3C Earphones are basically updated and improved on the ER 3A inserts and have incorporated "touch proof" electrical connection for safety. They have a smooth frequency response and provide 30dB of isolation between ears, which reduces the need for masking. Compared to supra aural headphones, they reduce test retest variability and eliminate test errors due to collapsed ear canals. They may be calibrated in a 2 cc coupler, occluded ear