Between the FH19 and Aria 2, the FH19 comes out ahead in impedance and driver count, while the Aria 2 wins on sensitivity. Overall, the FH19 scores 72.9 and the Aria 2 scores 65.4 on our Mars Score.
Which should you buy?
The FH19 edges ahead on the Mars Score (72.9 vs 65.4), but the 7.5-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the FH19 if you care most about impedance and driver count. The biggest gaps in its favor are impedance, driver count.
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: the FH19 is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why FiiO - FH19 wins
- ▲Impedance — 20.00 Ω less. 12 vs 32.
- ▲Driver count — 9.00 more. 10 vs 1.
Why Moondrop - Aria 2 wins
- ▲Sensitivity — 8.93% more. 122 dB vs 112 dB.
Spec comparison
Drivers
| Spec | FiiO - FH19 | Moondrop - Aria 2 |
|---|---|---|
| Driver count | 10lead | 1 |
| Driver types | 1DD + 8BA + 1BC Hybrid | Dynamic |
| Impedanceⓘ | 12 Ωlead | 32 Ω |
| Sensitivityⓘ | 112 dB | 122 dBlead |
Build
| Spec | FiiO - FH19 | Moondrop - Aria 2 |
|---|---|---|
| Detachable cable | true | true |
| Connector | MMCX | 0.78mm 2-pinlead |
Spec-level deep dives
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