Who is the Sony - IER-Z1R 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.
Sony - IER-Z1R: advantages & disadvantages
Measured against every in-ear monitors we track, here is where the Sony - IER-Z1R 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: 3 — below the typical in-ear monitors.
- ▼Sensitivity: 103 dB — below the typical in-ear monitors.
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
- 3
- Impedance
- 40Ω
- Sensitivity
- 103dB
- Connector
- MMCX
All specifications
Drivers
- Driver count
- 3
- Driver types
- 2 Dynamic + 1 Balanced Armature
- Sensitivity?
- 103 dB
Build
- Detachable cable
- true
- Connector
- MMCX
Latest from the lab
All lab reports →Popular comparisons featuring the Sony - IER-Z1R
The 12 closest matchups in the In-Ear Monitors category, sorted by Mars Score proximity — the fights most worth your time.
How Sony - IER-Z1R fits the In-Ear Monitors field
Sony - IER-Z1R is listed in the In-Ear Monitors catalog with a Mars Score of 50.3. It currently ranks 17 of 19 products in this category by Mars Score.This page is most useful when you match the product's strongest measurable specifications to your own workload instead of treating one number as a universal recommendation.
Key specifications to check
- Driver count
- 3
- Impedance
- 40 Ω
- Sensitivity
- 103 dB
- Connector
- MMCX
Values are shown exactly as stored in the current catalog. A dash means the value is not available; it is not a zero and is not treated as a win or loss.
Who should consider it?
Start with the priorities represented by driver count, impedance, sensitivity. Buyers who value those dimensions should compare this product against the closest same-category alternatives below, then verify regional pricing, warranty, and configuration before purchase.
Closest alternatives
Frequently asked
What is the Mars Score for Sony - IER-Z1R?+
Sony - IER-Z1R scores 50.3 on the transparent Mars Score formula for in-ear monitors, computed from its published specs against the category's weighted normalization.
What category does Sony - IER-Z1R belong to?+
Sony - IER-Z1R is a Sony in-ear monitor catalogued in the In-Ear Monitors category.
When was Sony - IER-Z1R released?+
Sony - IER-Z1R was released on 2018-09-13.
What is the driver count of Sony - IER-Z1R?+
Sony - IER-Z1R has a driver count of 3.
What is the impedance of Sony - IER-Z1R?+
Sony - IER-Z1R has a impedance of 40 Ω.
What is the sensitivity of Sony - IER-Z1R?+
Sony - IER-Z1R has a sensitivity of 103 dB.