These are the first measurements from v1.0 of my IEM Measurement Rig.
Etymotic ER2XR Left and Right Channel Frequency Responses
3 samples each of the left and right channel. For each sample I remove and re-insert the IEM.
Etymotic ER2XR Average Frequency Response
Average of 6 samples (3 samples of left channel plus 3 samples of right channel).
Compared to KopiOKaya’s ER2XR Frequency Response (Average)
KopiOKaya was kind enough to share his ER2XR measurements (from his rig) with me for comparison and our measurements are pretty close.
Crinacle’s ER2XR Measurement
There are some differences but overall it’s pretty comparable.