Etymotic Research ER4XR Extended Response
Etymotic Research ER4XR Extended Response is a canonical In-Ears product in AudioList.
- Price: Price varies
- Retailer offers: 0
- Availability: Out of stock or unknown
- Measurement: No objective measurement linked yet
- Measurement sources: No measurement source link is available yet
- Last updated: 2026-08-16T12:03:29.710Z
Current retailer offers
No current retailer offers are available in the public read model.
Known Specs
- Driver type
- balanced_armature
- IEM type
- passive
- Impedance
- 45 ohms
- Sensitivity
- 122 dB
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