Coverage note. Speaker Ranking currently covers 3 Kefine models across headphones. These are the products in our database, not a complete list of everything Kefine makes.
What this page covers. The Kefine models ranked here span headphones, including Kefine Klean SV, Kefine Klean and Kefine Quatio. Use each model’s category position to compare it with alternatives of the same size and use case.
This page lists all 3 Kefine speakers ranked on this site across headphones. Each model is shown in the category where it competes, with its current rank and the size of that ranking.
Use the category position rather than the brand name alone: speakers from the same manufacturer can perform very differently by size, price and product family.
Prices on this page were last checked October 10, 2026 at 5:37 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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In-Ear Headphones
Ranked #50 of 297 in In-Ear Headphones - Kefine Klean SV: $59.99 Amazon eBay
Pros: The median of 18 squig.link measurements gives a preference score of 80.9 and a very smooth 1.28 dB deviation. Sub-bass sits within 0.3 dB of target at 30 Hz and upper bass gets a mild lift, so it delivers deep, clean rumble with a warm tone. It rates above the Moondrop Lan and the more expensive Moondrop Golden Ages 2, and each earbud weighs only 10 g.
Cons: A 5.4 dB dip near 9.5 kHz and treble about 2.5 dB under target from 6 to 10 kHz mute cymbal texture, while the air band above 10 kHz rises about 5 dB, so the top end can sound uneven. Presence is also about 1.6 dB shy, which softens vocal bite.
Full Kefine Klean SV review and specifications →
| Released | Feb 2026 (8 months ago) |
|---|---|
| Back | Closed |
| Connection | Wired |
| Deviation From Target | 1.28 dB standard deviation |
| Driver Type | Dynamic |
| Drivers | 1 x 10mm dynamic |
| Form Factor | In-ear |
| Frequency Response | 20Hz - 20kHz (Manufacturer specified) |
| Harman Preference Score | 81 (median of 18 squig.link measurements, calibrated to AutoEQ) |
| Impedance | 32 ohms |
| Sensitivity | 107 dB |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (-0.3 dB at 30 Hz) |
| Tonal Tilt | -0.40 (negative is warmer, positive brighter) |
| Weight | 0 lbs (10 g) per earbud |
- Reviews, Comparisons and Sound Samples
Ranked #78 of 297 in In-Ear Headphones - Kefine Klean: $53.61 Amazon eBay
Pros: Four squig.link measurements give the Klean a preference score of 79.4 with a very smooth 1.32 dB deviation from target. Sub-bass 1.3 dB and bass 2.1 dB above target give it a warm, rich low end that suits bassy tastes, while mids stay close to neutral. At 32 ohms and 107 dB it plays well from a phone, and it weighs 10 g.
Cons: A 5 dB dip near 9.9 kHz dulls the shimmer of cymbals and strings, and presence sits 1.9 dB below target, softening vocal edges. It costs more than the equally rated KZ Duonic and Sivga SM100.
Full Kefine Klean review and specifications →
| Released | Oct 2024 (2 years ago) |
|---|---|
| Back | Closed |
| Connection | Wired |
| Deviation From Target | 1.32 dB standard deviation |
| Driver Type | Dynamic |
| Drivers | 1 x 10mm dynamic |
| Form Factor | In-ear |
| Frequency Response | 20Hz - 20kHz (Manufacturer specified) |
| Harman Preference Score | 79 (median of 4 squig.link measurements, calibrated to AutoEQ) |
| Impedance | 32 ohms |
| Sensitivity | 107 dB |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (+1.0 dB at 30 Hz) |
| Tonal Tilt | -0.39 (negative is warmer, positive brighter) |
| Weight | 0 lbs (10 g) |
- Reviews, Comparisons and Sound Samples
Ranked #92 of 297 in In-Ear Headphones - Kefine Quatio: $129.00 Amazon eBay
Pros: In the median of 13 squig.link measurements it scores 78.8 with a smooth 1.38 dB spread and no treble peak above 1.5 dB, so cymbals and sibilance never turn harsh. Bass rises about 1.8 dB above target with full extension to 20 Hz, giving a warm, full low end that suits bass lovers. Its 32 ohm, 107 dB load is easy to drive from a phone.
Cons: A 4 dB dip near 3.6 kHz and presence about 2.5 dB under target push vocals slightly back and soften attack. The air band runs 1.3 dB low, so it sounds less airy and spacious than brighter rivals, and the equally rated 7Hz Salnotes Dioko costs less.
Full Kefine Quatio review and specifications →
| Released | Jul 2025 (1 year ago) |
|---|---|
| Back | Closed |
| Built-in Microphone | No |
| Connection | Wired |
| Deviation From Target | 1.38 dB standard deviation |
| Driver Type | Hybrid (2 dynamic + 2 balanced armature) |
| Drivers | 1 x 10mm dynamic + 1 x 8mm dynamic + 2 x balanced armature |
| Form Factor | In-ear |
| Frequency Response | 20Hz - 20kHz (Manufacturer specified) |
| Harman Preference Score | 79 (median of 13 squig.link measurements, calibrated to AutoEQ) |
| Impedance | 32 ohms |
| Sensitivity | 107 dB |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (+0.6 dB at 30 Hz) |
| Tonal Tilt | -0.50 (negative is warmer, positive brighter) |
- Reviews, Comparisons and Sound Samples