Who is the Etymotic - ER4XR for?
Entry-tier in-ear monitor. Below 58 on the Mars Score means several weighted specs trail the category leaders by a wide margin.
Only consider this if there is a specific reason — price, brand loyalty, ecosystem fit. The best-of page shows what your money buys a tier up.
Mars Score is computed from 6 measured specs against the transparent formula for the in-ear monitors category. No editorial picks, no paid placement.
Etymotic - ER4XR: advantages & disadvantages
Measured against every in-ear monitors we track, here is where the Etymotic - ER4XR gives ground.
No spec lands in the top quartile of the category normalization window. Strengths sit in untracked specs (build quality, ecosystem, etc.) rather than weighted axes.
- ▼Driver count: 1 — among the weakest in the in-ear monitors category.
- ▼Sensitivity: 98 dB — among the weakest in the in-ear monitors category.
Pros are specs scoring ≥75% of the category normalization range. Cons are ≤35%. Derived from the Mars Score formula — no hand-curated lists.
At a glance
- Driver count
- 1
- Impedance
- 45Ω
- Sensitivity
- 98dB
- Connector
- MMCX
All specifications
Drivers
- Driver count
- 1
- Driver types
- Balanced Armature
- Sensitivity?
- 98 dB
Build
- Detachable cable
- true
- Connector
- MMCX
Latest from the lab
All lab reports →Popular comparisons featuring the Etymotic - ER4XR
The 8 closest matchups in the In-Ear Monitors category, sorted by Mars Score proximity — the fights most worth your time.
Frequently asked
What is the Mars Score for Etymotic - ER4XR?+
Etymotic - ER4XR scores 39.7 on the transparent Mars Score formula for in-ear monitors, computed from its published specs against the category's weighted normalization.
What category does Etymotic - ER4XR belong to?+
Etymotic - ER4XR is a Etymotic in-ear monitor catalogued in the In-Ear Monitors category.
When was Etymotic - ER4XR released?+
Etymotic - ER4XR was released on 2016-04-20.
What is the driver count of Etymotic - ER4XR?+
Etymotic - ER4XR has a driver count of 1.
What is the impedance of Etymotic - ER4XR?+
Etymotic - ER4XR has a impedance of 45 Ω.
What is the sensitivity of Etymotic - ER4XR?+
Etymotic - ER4XR has a sensitivity of 98 dB.
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