Between the ZAR and IE 600, the ZAR comes out ahead in driver count, while the IE 600 wins on sensitivity and impedance. Overall, the ZAR scores 65.4 and the IE 600 scores 61.5 on our Mars Score.
Which should you buy?
The ZAR edges ahead on the Mars Score (65.4 vs 61.5), but the 3.9-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the ZAR if you care most about driver count. The biggest gaps in its favor are driver count.
Pick the IE 600 if you care most about sensitivity and impedance. Its strongest claims are sensitivity, impedance.
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.
Why Sennheiser - IE 600 wins
- ▲Sensitivity — 9.26% more. 118 dB vs 108 dB.
- ▲Impedance — 8.00 Ω less. 18 vs 26.
Spec comparison
Drivers
| Spec | KZ - ZAR | Sennheiser - IE 600 |
|---|---|---|
| Driver count | 8lead | 1 |
| Driver types | 1DD + 7BA Hybrid | Dynamic (TrueResponse) |
| Impedanceⓘ | 26 Ω | 18 Ωlead |
| Sensitivityⓘ | 108 dB | 118 dBlead |
Build
| Spec | KZ - ZAR | Sennheiser - IE 600 |
|---|---|---|
| Detachable cable | true | true |
| Connector | 0.78mm 2-pinlead | MMCX |
Frequently asked
Spec-level deep dives
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