The ER4SR is the most accurate in-ear earphone on the market delivering a flat response across all frequencies while the ER4XR has high accuracy, but with slightly enhanced bass.
The new ER4 models feature metal bodies with an anodized finish, detachable, replaceable cables, and increased sensitivity for a more dynamic sound.
No, both models feature 45 ohm impedance, 98 dB sensitivity, and a frequency response from 20 Hz - 16 kHz.
No, The ER4SR and the ER4XR have drivers that are unique to their respective models. They are not the same drivers as in previous generations of the ER4.
The current models will remain in our inventory and available for sale until late 2017 or as supplies last.
Yes, the new ER4SR and ER4XR feature a removable, replaceable cable. The cables are simple to detach by pulling the cable at the cable connector point while holding the ER4 body and pulling the cable connector straight from the body without twisting. The cables snap back in to the bodies by aligning the tab on the cable with the slot at the end of the metal ER4 body.
There is no converter as the electronics on the new ER4 series have been modified making the conversion unnecessary. There is no way to convert the XR response to that of the SR.
Both models use the same cable
The cable connector is a customized version of the MMCX. Since it is customized, it is unlikely that other manufacturer's cables will work with the new ER4 models.
Replacement cables are available in Accessories.
Yes, the current ER4 eartips and the green ER38-50 filters will fit the new models.
Both models come with a full 2-year warranty.
Yes, there are options for trading in and/or upgrading to a new ER4 from the current models. Please refer to the Etymotic website for details.
Please visit the Etymotic website for information on the right product to fit your specific listening requirements.
Yes, in most cases, custom earmolds made for the previous generation of the ER4 will work with the new models.
Stay connected with our newsletter