Between the Aria 2 and IE 200, the Aria 2 comes out ahead in sensitivity, while the IE 200 wins on impedance. Overall, the Aria 2 scores 65.4 and the IE 200 scores 62.5 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (65.4 vs 62.5). The decision isn't about overall quality — both clear the bar — it's about which specific trade-offs fit your use.
Pick the Aria 2 if you care most about sensitivity. The biggest gaps in its favor are sensitivity.
Pick the IE 200 if you care most about impedance. Its strongest claims are impedance.
Both ship with comparable driver count, detachable cable, so those specs don't separate the two — focus on the differences below.
Bottom line: there is no wrong answer here — match the spec advantages to how you actually use the product. The Mars Score parity tells you both are well-rounded; the differences are about trade-offs, not quality.
Why Moondrop - Aria 2 wins
- ▲Sensitivity — 2.52% more. 122 dB vs 119 dB.
Why Sennheiser - IE 200 wins
- ▲Impedance — 14.00 Ω less. 18 vs 32.
Spec comparison
Drivers
| Spec | Moondrop - Aria 2 | Sennheiser - IE 200 |
|---|---|---|
| Driver count | 1 | 1 |
| Driver types | Dynamic | Dynamic |
| Impedanceⓘ | 32 Ω | 18 Ωlead |
| Sensitivityⓘ | 122 dBlead | 119 dB |
Build
| Spec | Moondrop - Aria 2 | Sennheiser - IE 200 |
|---|---|---|
| Detachable cable | true | true |
| Connector | 0.78mm 2-pinlead | MMCX |
Frequently asked
Spec-level deep dives
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