The KEFINE Klean SV is the evolved Silver Version of the highly acclaimed Klean series, engineered for listeners who crave speed, clarity, and precision. Featuring a new-generation 10mm DLC (Diamond-Like Carbon) diaphragm dynamic driver, the Klean SV delivers a faster, tighter, and more resolving sound than its predecessor—without sacrificing musicality.
Designed with a dual-cavity driver structure, the Klean SV ensures excellent consistency across bass, mids, and treble, creating a well-balanced yet immersive soundstage. Whether you’re a detail-loving audiophile or a daily music enthusiast, this IEM offers exceptional transparency and control across the frequency range.
One of the highlights of the Klean SV is its three interchangeable tuning nozzles, allowing you to fine-tune the sound signature to your preference:
Silver Nozzle – Balanced and natural
Gold Nozzle – Neutral, transparent, and highly detailed
Black Nozzle – Warm, smooth, and bass-forward
Built to last, the metallic alloy ear cavities are crafted using high-precision casting and polished for a premium silver finish. The ergonomic shell design follows the natural contours of the ear, ensuring long-term comfort and a secure fit.
KEFINE bundles the Klean SV with a high-quality silver-plated copper cable, featuring standard 0.78mm 2-pin detachable connectors. To suit different listening setups, the IEM is available in 3.5mm single-ended, 4.4mm balanced, and USB-C termination options, making it compatible with smartphones, DACs, DAPs, and desktop rigs alike.
If you’re looking for a high-resolution dynamic driver IEM with tuning flexibility and premium build quality, the KEFINE Klean SV is built to impress.
🔊 Sound Highlights
Highly Detailed & Resolving Sound
Powered by a 10mm DLC diaphragm, the Klean SV delivers lightning-fast transients, tight bass control, and extended treble with excellent clarity. The result is a clean, resolving sound that reveals micro-details without sounding harsh.
Dual-Cavity Driver Design
The dual-cavity structure enhances tonal balance and phase consistency, ensuring a smooth and coherent sound across all frequencies with a wide, immersive presentation.
Three Tunings, One IEM
Switch between balanced, neutral, or warm sound signatures instantly using the interchangeable nozzles—no EQ required.
📊 Specifications
Driver Type: 10mm DLC Dynamic Driver
Impedance: 32Ω ±15%
Sensitivity: 107dB ±3dB
Frequency Response: 20Hz – 20kHz
Connector Type: 0.78mm 2-Pin
Termination Options: 3.5mm SE / 4.4mm Balanced / USB-C
Weight: 10g per side
Driver Type: 10mm DLC Dynamic Driver
Impedance: 32Ω ±15%
Sensitivity: 107dB ±3dB
Frequency Response: 20Hz – 20kHz
Connector Type: 0.78mm 2-Pin
Termination Options: 3.5mm SE / 4.4mm Balanced / USB-C
Weight: 10g per side
IEM Warranty Period: 1 Year from the date of Invoice
Cable: 1-month warranty for manufacturing defects only
Some products may use brass or copper components, internally or externally. Oxidation is a natural process for these materials and is not covered under warranty or the 7-day replacement policy.
To minimise oxidation, we recommend regular cleaning of external surfaces. Internal oxidation, if it occurs, cannot be prevented or serviced.
KEFINE provides refined audio products for music lovers at affordable prices and the best value.
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OUR HONEST REVIEWS FROM THE CO-FOUNDERS & AUDIOPHILES
Received product in excellent packaging. Satisfactory performance using with mobile and laptop. No significant heating. There is no noise which is the reason I had changed to this DAC from the earlier one.
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03/24/2026
Deepak Kumar
Good dac
Good dac, i had previously one 3.5 to c tye converter it was basic with no chip .this dac really draw out the juice from your phones to shake drivers . Nd if u guys have impedance issue you can use equilizer nd see the magic . This dac works well. Nd yes dac is essential to draw out the required Current/power.
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Dunu Lyre Mini 240-Strand High-Purity OCC Modular Upgrade Cable for IEM
03/21/2026
S.D.
Excellent quality and a much needed accessory for iems
I am extremely satisfied with EarAudio 3.5mm Male to 4.4mm female adapter cable. The quality of the product is top notch and well made. I am now able to use my 4.4 mm balanced cable with my iems. Recommended!
EarAudio 3.5mm Male to 4.4mm female Adapter Cable
03/20/2026
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Good Daily Drivers
Review after using it for a few weeks.
The sound quality is really impressive. It is not the absolute best, but one of the best in this budget segment.
The soundstage is wider and instrument separation is really good. I like its natural, linear bass (I am not a basshead). It has smooth, soft, comfortable, and discreet treble (which might not be good for trebleheads). With .flac and LDAC, there is a significant difference. It is good for both male and female voice types.
These might not be the best-sounding, most technical TWS in that budget, but they are good for my use cases.
ANC is good, though it might be improved. Mic quality is good enough, but it sometimes feels a little muffled.
Personally, the diagonal earpieces and oval rubber ear tips fit perfectly. They are comfortable for a long time. Battery life is good for me but not comparable with others; It would be good if there were a feature in the app to see the battery percentage of the case.
Custom and online DSP features are good. However, LDAC can't be used simultaneously with custom DSP and multipoint connections; this should be changed in the next firmware update. Also, sometimes the app feels glitchy and slow.
There is no IP rating mentioned, and the open-lid design is negative.
I might be forgetting something.
While this isn't as much of a "value for money" pick as the Space Travel 2, it is worth it for me because of the sound quality.
My first time buying experience with TheAudioStore is very good
MOONDROP SPACE TRAVEL 2 Ultra True Wireless Earbuds
03/19/2026
K
Provide excellent protection
The protective case is made of good quality material and protects the TWS perfectly. The fit is good, but sometimes when taking the buds out, the charging case shifts slightly upward. I put a small piece of paper inside, and now it is perfect.
The texture and colour of leather is good, but it looked washed out because of my phone's camera.
I don't know if it is great value for money, but it provides good protection.
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03/19/2026
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👍
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GK KUNTEN "The Budget King"
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The best i've ever heard, I'm prolly gonna use them for a long time
i sent these messages to my friend in real time when i was trying out the kefine klean sv in real time
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03/16/2026
Yograj Kumar
Just Awesome , Worth it every Penny
I am very sceptical , But It is Awesome Product man.
It really increase quality of sound and The best part is I can use it My pc as well 😁.
Design is very beautiful and Build quality is also awesome 👍.
Just Go for It.
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M J
New and nice experience 👍
The product was genuine ✨️ thanks audiostore. The iems are for basshead lovers, it got good amount of bass and if we adjust the EQ of our phone or music player then it can give us good balance sound. It requires power so it needs amp/dac device for better output. I like the product very much.
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Saksham Bhadwal
Value store
Provided the original product with no defects also for cheaper price as compared to Amazon or any other store and also delivers with in 5-6 days. Great experience.
The Audio Store
03/15/2026
Saksham Bhadwal
Worth it
As much i have used it for now it really works well you will feels the audio enhancement and increased quality. Worth the money.
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03/15/2026
Pratik Baral
Great tuning upgrade over the OG Klean's
These are my fourth pair of IEMs, and honestly, I can’t find a single fault with them. The sound signature is beautifully smooth, well‑tuned, and perfectly balanced. Vocals come through with striking clarity, making every track feel alive. Totally worth it — they deliver an experience that goes beyond expectations.
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