Between the IE 600 and AONIC 5, the IE 600 comes out ahead in impedance, while the AONIC 5 wins on driver count and sensitivity. Overall, the IE 600 scores 61.5 and the AONIC 5 scores 66.4 on our Mars Score.
Which should you buy?
The AONIC 5 edges ahead on the Mars Score (61.5 vs 66.4), but the 4.9-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the IE 600 if you care most about impedance. The biggest gaps in its favor are impedance.
Pick the AONIC 5 if you care most about driver count and sensitivity. Its strongest claims are driver count, 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 Sennheiser - IE 600 wins
- ▲Impedance — 18.00 Ω less. 18 vs 36.
Why Shure - AONIC 5 wins
- ▲Driver count — 2.00 more. 3 vs 1.
- ▲Sensitivity — 0.85% more. 119 dB vs 118 dB.
Spec comparison
Drivers
| Spec | Sennheiser - IE 600 | Shure - AONIC 5 |
|---|---|---|
| Driver count | 1 | 3lead |
| Driver types | Dynamic (TrueResponse) | Triple Balanced Armature |
| Impedanceⓘ | 18 Ωlead | 36 Ω |
| Sensitivityⓘ | 118 dB | 119 dBlead |
Build
| Spec | Sennheiser - IE 600 | Shure - AONIC 5 |
|---|---|---|
| Detachable cable | true | true |
| Connector | MMCX | MMCX |
Frequently asked
Spec-level deep dives
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