Between the Aria 2 and AONIC 5, the Aria 2 comes out ahead in impedance / sensitivity, while the AONIC 5 wins on driver count. Overall, the Aria 2 scores 65.4 and the AONIC 5 scores 66.4 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (65.4 vs 66.4). The decision is not about overall quality — both clear the bar — it is about which specific trade-offs fit your use.
Pick the Aria 2 if you care most about impedance / sensitivity. The biggest gaps in its favor are impedance, sensitivity.
Pick the AONIC 5 if you care most about driver count. Its strongest claims are driver count.
Both ship with comparable detachable cable, so those specs do not 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 says both are well-rounded; the differences are about trade-offs, not quality.
Why Moondrop - Aria 2 wins
- ▲Impedance — 4.00 Ω less. 32 vs 36.
- ▲Sensitivity — 2.52% more. 122 dB vs 119 dB.
Why Shure - AONIC 5 wins
- ▲Driver count — 2.00 more. 3 vs 1.
Spec comparison
Drivers
| Spec | Moondrop - Aria 2 | Shure - AONIC 5 |
|---|---|---|
| Driver count | 1 | 3lead |
| Driver types | Dynamic | Triple Balanced Armature |
| Impedanceⓘ | 32 Ωlead | 36 Ω |
| Sensitivityⓘ | 122 dBlead | 119 dB |
Build
| Spec | Moondrop - Aria 2 | Shure - AONIC 5 |
|---|---|---|
| Detachable cable | true | true |
| Connector | 0.78mm 2-pinlead | MMCX |
Spec-level deep dives
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