Between the ZAR and Aria 2, the ZAR comes out ahead in driver count and impedance, while the Aria 2 wins on sensitivity. Overall, the ZAR scores 65.4 and the Aria 2 scores 65.4 on our Mars Score.
Which should you buy?
These two are evenly matched on the broad strokes, with the decision sitting on which individual spec advantages weigh more for your use.
Pick the ZAR if you care most about driver count and impedance. The biggest gaps in its favor are driver count, impedance.
Pick the Aria 2 if you care most about sensitivity. Its strongest claims are sensitivity.
Both ship with comparable 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 KZ - ZAR wins
- ▲Driver count — 7.00 more. 8 vs 1.
- ▲Impedance — 6.00 Ω less. 26 vs 32.
Why Moondrop - Aria 2 wins
- ▲Sensitivity — 12.96% more. 122 dB vs 108 dB.
Spec comparison
Drivers
| Spec | KZ - ZAR | Moondrop - Aria 2 |
|---|---|---|
| Driver count | 8lead | 1 |
| Driver types | 1DD + 7BA Hybrid | Dynamic |
| Impedanceⓘ | 26 Ωlead | 32 Ω |
| Sensitivityⓘ | 108 dB | 122 dBlead |
Build
| Spec | KZ - ZAR | Moondrop - Aria 2 |
|---|---|---|
| Detachable cable | true | true |
| Connector | 0.78mm 2-pin | 0.78mm 2-pin |
Frequently asked
Spec-level deep dives
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