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Image © EtymoticEtymotic ER4XR Earphones
At a glance
- Brand
- Etymotic
- Type
- Wired IEMs
- Fit
- -
- Connection
- Wired
- Noise cancelling
- No
- Released
- 2016
Score breakdowngreat overall
Sound8.1
Value5.6
ER4XR is the highest-performing single driver in-ear monitor. The IEM shells are made of anodized aluminum, CNC machined with extremely tight tolerances. Using a single Balanced Armature (BA) driver allows for extremely accurate IEM without the added complexity of crossovers, and helps keep the aluminum body small and slim.
The HearWiki takeAI-condensed
The Etymotic ER4XR is a wired, single balanced-armature in-ear monitor known for its precise, analytical sound and excellent passive noise isolation thanks to a deep-insertion fit. It’s a compact and durable choice for focused listening, though its minimalist design lacks onboard controls and modern conveniences, making it more suited to professionals than casual users.
What works
- Excellent passive isolation
- Analytical and detailed mid-range
- Compact and durable build
- Detachable cable for easy replacement
What doesn't
- Deep insertion fit may be uncomfortable
- Bass-light tuning not for everyone
- No inline remote or controls
- Requires an amplifier for best performance
Paraphrased from published reviews & specs - not an original hands-on test. Our AI disclosure.
Specifications
| Driver | balanced armature |
|---|---|
| Driver type | balanced-armature |
| Drivers per side | 1 |
| Frequency response | 20 Hz - 16 kHz |
| Impedance | 45 Ω |
| Sensitivity | 98 dB/mW |
Audio
| Driver | balanced armature |
|---|---|
| Driver type | balanced-armature |
| Drivers per side | 1 |
| Frequency response | 20 Hz - 16 kHz |
| Impedance | 45 Ω |
| Sensitivity | 98 dB/mW |
Features
| Active noise cancelling | No |
|---|---|
| ANC type | none |
| Transparency mode | No |
| Companion app | No |
| Custom EQ | No |
| Wear detection | No |
| Controls | none |
Design
| Detachable cable | Yes |
|---|---|
| USB-C | No |
| Connector | 3.5 mm |
Where to buy
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