Etymotic ER-3C Insert Earphones Model:ER-3C 10 Ohm Model 3 BA3 utilizes the

Model 3 BA3 utilizes the proprietary triple (3) balanced armatures in passive crossover configuration that emphasizes the low frequency range while maintaining the detail in the highs

full impression every time

Mega-Sil 108E peach impression material is a non-greasy impression material with a medium to thick consistency and final shore value of 30

The Vacuum Wand – Used to extract ear wax and debris from the receiver tubes

Etymotic ER-3C Insert Earphones Model:ER-3C 10 Ohm Model 3 BA3 utilizes theThe 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