Between the Blessing 3 and IER-Z1R, the Blessing 3 comes out ahead in impedance and sensitivity, while the IER-Z1R wins on several specs. Overall, the Blessing 3 scores 68.3 and the IER-Z1R scores 50.3 on our Mars Score.
Which should you buy?
The Blessing 3 is the clear pick on raw spec strength, leading by 18.0 points on the Mars Score. The margin is wide enough that the underdog only makes sense if its individual strengths line up with what you specifically need.
Pick the Blessing 3 if you care most about impedance and sensitivity. The biggest gaps in its favor are impedance, sensitivity, driver count.
The IER-Z1R similarly doesn't carry a headline advantage on the popular specs — look at the full table for category-specific deltas.
Both ship with comparable detachable cable, so those specs don't separate the two — focus on the differences below.
Bottom line: the Blessing 3 is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why Moondrop - Blessing 3 wins
- ▲Impedance — 25.00 Ω less. 15 vs 40.
- ▲Sensitivity — 13.59% more. 117 dB vs 103 dB.
- ▲Driver count — 2.00 more. 5 vs 3.
Why Sony - IER-Z1R wins
- No decisive advantages.
Spec comparison
Drivers
| Spec | Moondrop - Blessing 3 | Sony - IER-Z1R |
|---|---|---|
| Driver count | 5lead | 3 |
| Driver types | 1DD + 4BA Hybrid | 2 Dynamic + 1 Balanced Armature |
| Impedanceⓘ | 15 Ωlead | 40 Ω |
| Sensitivityⓘ | 117 dBlead | 103 dB |
Build
| Spec | Moondrop - Blessing 3 | Sony - IER-Z1R |
|---|---|---|
| Detachable cable | true | true |
| Connector | 2-pinlead | MMCX |
Frequently asked
Spec-level deep dives
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