headphones › IEM
Etymotic Etymotic ER4XR
Specifications
- driver config
- 1BA
- impedance ohm
- 45
- sensitivity db mw
- 98
- connector
- mmcx
Sources
- Manufacturer product pages and spec sheets (Sennheiser, Beyerdynamic, AKG, Focal, Audeze, HiFiMan, Audio-Technica, Sony, Shure) · ingest 2026-05-06
- Crinacle IEM and headphone measurement database · ingest 2026-05-06
- Audio Science Review (ASR) public measurements · ingest 2026-05-06