Short answer: a tie on sound quality. Both are rated 4.3/5 (#132 and #155 of 450 in-ear headphones) at nearly the same price ($49.99 vs $51.99), so choose on features and fit.
Buy the Kiwi Ears Cadenza II or the TKZK Ouranos on features: they are rated the same for sound quality at close to the same price.
Looking for alternatives? See the complete Headphones rankings.
Specifications Side By Side
| Kiwi Ears Cadenza II | TKZK Ouranos | |
|---|---|---|
| Price | $49.99 | $51.99 |
| Ranked | #132 of 450 in In-Ear Headphones | #155 of 450 in In-Ear Headphones |
| Form Factor | In-ear | In-ear |
| Back | Closed | Closed |
| Harman Preference Score | 78 (median of 14 squig.link measurements, calibrated to AutoEQ) | 77 (median of 6 squig.link measurements, calibrated to AutoEQ) |
| Deviation From Target | 1.52 dB standard deviation | 1.71 dB standard deviation |
| Tonal Tilt | -0.43 (negative is warmer, positive brighter) | -0.28 (negative is warmer, positive brighter) |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (-1.0 dB at 30 Hz) | Within 6 dB of target down to 20 Hz (-1.7 dB at 30 Hz) |
| Connection | Wired | Wired |
| Driver Type | Dynamic | Dynamic |
| Drivers | 1 x 10mm dynamic | 1 x 10mm dynamic |
| Impedance | 18 ohms | 320 ohms |
| Sensitivity | 106 dB | 110 dB |
| Frequency Response | 10Hz - 29kHz (Manufacturer specified) | 10Hz - 20kHz (Manufacturer specified) |
| Built-in Microphone | - | No |
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- Kiwi Ears Cadenza vs Kiwi Ears Cadenza II
- Kiwi Ears Cadenza II vs Moondrop Pudding
- Rose Technics QT-X vs TKZK Ouranos
Prices on this page were last checked October 11, 2026 at 4:59 PM UTC. Product prices and availability are accurate as of that date/time and are subject to change; the price and availability shown on Amazon at the time of purchase will apply to the purchase of this product.
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The Two Headphones In Full
Kiwi Ears Cadenza II: $49.99 Amazon eBay
Full Kiwi Ears Cadenza II review and specifications →
| Released | Feb 2026 (8 months ago) |
|---|---|
| Back | Closed |
| Connection | Wired |
| Deviation From Target | 1.52 dB standard deviation |
| Driver Type | Dynamic |
| Drivers | 1 x 10mm dynamic |
| Form Factor | In-ear |
| Frequency Response | 10Hz - 29kHz (Manufacturer specified) |
| Harman Preference Score | 78 (median of 14 squig.link measurements, calibrated to AutoEQ) |
| Impedance | 18 ohms |
| Sensitivity | 106 dB |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (-1.0 dB at 30 Hz) |
| Tonal Tilt | -0.43 (negative is warmer, positive brighter) |
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
TKZK Ouranos: $51.99 Amazon eBay
Full TKZK Ouranos review and specifications →
| Back | Closed |
|---|---|
| Built-in Microphone | No |
| Connection | Wired |
| Deviation From Target | 1.71 dB standard deviation |
| Driver Type | Dynamic |
| Drivers | 1 x 10mm dynamic |
| Form Factor | In-ear |
| Frequency Response | 10Hz - 20kHz (Manufacturer specified) |
| Harman Preference Score | 77 (median of 6 squig.link measurements, calibrated to AutoEQ) |
| Impedance | 320 ohms |
| Sensitivity | 110 dB |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (-1.7 dB at 30 Hz) |
| Tonal Tilt | -0.28 (negative is warmer, positive brighter) |
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons