Between the FH19 and AONIC 3, the FH19 comes out ahead in impedance and driver count, while the AONIC 3 wins on sensitivity. Overall, the FH19 scores 72.9 and the AONIC 3 scores 56.6 on our Mars Score.
Which should you buy?
The FH19 is the clear pick on raw spec strength, leading by 16.3 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 FH19 if you care most about impedance and driver count. The biggest gaps in its favor are impedance, driver count.
Pick the AONIC 3 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 — 18.00 Ω less. 12 vs 30.
- ▲Driver count — 9.00 more. 10 vs 1.
Why Shure - AONIC 3 wins
- ▲Sensitivity — 0.89% more. 113 dB vs 112 dB.
Spec comparison
Drivers
| Spec | FiiO - FH19 | Shure - AONIC 3 |
|---|---|---|
| Driver count | 10lead | 1 |
| Driver types | 1DD + 8BA + 1BC Hybrid | Single Balanced Armature |
| Impedanceⓘ | 12 Ωlead | 30 Ω |
| Sensitivityⓘ | 112 dB | 113 dBlead |
Build
| Spec | FiiO - FH19 | Shure - AONIC 3 |
|---|---|---|
| Detachable cable | true | true |
| Connector | MMCX | MMCX |
Frequently asked
Spec-level deep dives
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