When it comes to high-quality in-ear monitors (IEMs), audiophiles often face difficult decisions between models that promise superior sound quality and comfort. Among the popular options in the market today are the Kefine Klean and the Delci IEMs. Both of these IEMs are highly regarded for their sound quality, build, and overall performance. However, the subtle differences in their design and sound can make a huge difference depending on your preferences and listening needs. In this detailed review, we will compare the two, focusing on sound quality, build, comfort, and price to help you make the best choice.
In recent months, I have received numerous requests for a detailed comparison between the Kefine Klean and Delci IEMs. Many users have expressed concerns after purchasing one of these models, feeling they may have made the wrong choice based on features, sound, or comfort. After spending ample time with both of these IEMs, I’ve concluded that while they share several similarities, the finer details set them apart in significant ways.
Technical Specs: Kefine Klean vs Kefine Delci
| Specification | Keyan Klean | Kefine Delci |
|---|---|---|
| Driver Type | Dynamic + Balanced Armature (Hybrid) | Dynamic + Balanced Armature (Hybrid) |
| Number of Drivers | 1DD + 1BA per side | 1DD + 1BA per side |
| Frequency Response | 20 Hz – 40 kHz | 20 Hz – 45 kHz |
| Impedance | ~32 Ω | ~28 Ω |
| Sensitivity | ~105 dB/mW | ~108 dB/mW |
| Cable Connector | 0.78 mm 2‑pin | 0.78 mm 2‑pin |
| Recommended Power | Easy to drive on phones/PC | Easy to drive, slightly more efficient |
| Weight | ~15 g per set | ~13 g per set |
| Accessories | Fabric pouch, extra tips, 2 nozzles | Leather pouch, extra tips |
| Sound Signature | Balanced‑neutral tuning | Warm, musical tuning |
Build Quality and Design
Both the Kefine Klean vs Kefine Delci IEMs offer impressive build quality, but they differ slightly in packaging and accessories.

Kefine Klean: Functional and Stylish Design
The Kefine Klean comes with a sleek fabric pouch, which adds a touch of elegance while providing adequate protection for the IEMs. Inside the pouch, you’ll find additional ear tips and two interchangeable tuning nozzles, allowing you to adjust the sound to your preferences. The IEMs themselves are made from metal, which gives them a premium, cool-to-the-touch feel when first worn. The design is minimalist, with smooth curves and subtle branding that create a clean aesthetic.
Kefine Delci: Luxurious Leather Pouch
The Kefine Delci, on the other hand, comes with a leather pouch, which adds a more luxurious feel to the overall presentation. The inclusion of the leather pouch gives the Delci a premium touch that sets it apart. Like the Kefine Klean, the Delci includes additional ear tips for a customizable fit, but it only comes with one set of nozzles. The IEMs themselves are also made from metal, ensuring durability and a solid feel when placed in your ears.
Both models are highly durable and well-constructed, but the Delci’s leather pouch might appeal to those who prefer a more high-end, sophisticated look. Both brands, however, offer exceptional build quality for their price range.

My Take:
I like the Keyan Clean for its sleek, minimalist design. The fabric pouch is functional and provides solid protection, and the interchangeable nozzles for sound customization are a great feature. It feels a bit more basic compared to the Deli.
On the other hand, I appreciate the luxurious leather pouch of the Deli, which gives it a more Premium feel. The build quality is solid, and it has a more sophisticated presentation. However, I would’ve preferred the Deli include more tuning options, like the Keyan Clean.
Comfort and Fit
When it comes to comfort and fit, both IEMs perform similarly, but subtle differences can affect the overall listening experience.
Kefine Klean: A Secure Fit for Most
The Kefine Klean offers a snug and secure fit for most users. The IEMs are ergonomically designed to stay in place during movement, and the metal construction provides a cool, comfortable feel. However, because the design is slightly larger, those with smaller ears might find the fit less comfortable than the Delci.

Kefine Delci: Slightly Better Fit and Comfort
The Kefine Delci, on the other hand, is designed to offer a more comfortable fit, particularly for users who wear IEMs for extended periods. The slightly smaller housing of the Delci ensures a better seal and more consistent sound isolation. If the Kefine Klean doesn’t fit as comfortably, the Delci is a better option.
My Take
The Keyan Clean offers a secure, comfortable fit for most people, thanks to its ergonomic design. However, its slightly larger size might not be ideal for those with smaller ears, which can affect the overall comfort.
The Deli, on the other hand, wins me over with its more comfortable and snug fit, making it a better option for long listening sessions. The smaller housing ensures better sound isolation and a more consistent fit, which I appreciate. If comfort is your priority, I’d recommend the Deli.
Sound Quality
The sound quality is where these IEMs diverge the most. While both deliver excellent audio performance, there are a few nuances in their tuning and overall sound signature that could make one more appealing depending on your tastes.

Kefine Klean: Balanced but Subtle
The Kefine Klean is a great option for those seeking a balanced, natural sound. Out of the box, the Klean offers a smooth, rounded sound signature, making it easy to listen to for long periods. The mids and highs are clean and well-represented, with a good balance across the frequency spectrum. The Klean’s bass response is solid, but it lacks the punch and depth found in the Delci, making it feel slightly more restrained.
When listening to tracks with intricate high-frequency details, the Kefine Klean performs admirably. However, its high frequencies, while clear, lack the shimmer and sparkle that audiophiles often look for in higher-end IEMs. Overall, the Kefine Klean is great for casual listening, but it might leave those who prefer a more engaging, energetic sound wanting more.
Kefine Delci: Warm and Musical Sound
In comparison, the Kefine Delci IEMs are warmer and more musical. The bass response is much more pronounced, adding an extra layer of depth and excitement to the music. When listening to genres like pop, rock, or electronic music, the Delci adds a layer of energy and enthusiasm that the Kefine Klean lacks. The low end is tighter, and the mid-range is richer and more pronounced, making vocals sound fuller and more natural.
Where the Delci shines is in its high frequencies. While not overly aggressive, the Delci delivers more sparkle and energy in the upper registers, making it more engaging during orchestral and instrumental music. The higher frequencies in the Delci are more energetic and less subdued, which could make it a better choice for audiophiles who enjoy a more dynamic listening experience.

AB Testing: The Key Differences
During my AB testing, I used both IEMs with a variety of sources, from high-end desktop setups to portable devices like the iFi Go Link. While both IEMs performed admirably, I noticed a few key differences:
- The Deli has a fuller, more mature sound with a warmer mid-range and more energetic highs, making it better suited for those who want a lively, musical sound.
- The Keyan Clean, while still excellent, offers a more neutral, balanced sound, with a slightly recessed midrange that makes vocals sound less natural than on the Deli.
Both IEMs have their strengths, but I found that the Deli’s more musical, dynamic sound edged out the Clean, especially at higher volumes.
My Take
I prefer the Keyan Clean for its balanced and natural sound, making it a great choice for long listening sessions. Its clean mids and highs are enjoyable for casual listening, but it lacks the punch and excitement I crave in some genres.
On the other hand, I love the Deli for its warm, musical sound. The pronounced bass and more energetic highs give it a lively, engaging feel, especially in dynamic genres like pop and rock. While the Keyan Clean is better for those who prefer a neutral sound, the Deli offers a richer and more exciting listening experience, which I find more satisfying.
Price and Value
Price is always an important factor in making a purchase decision, and in this case, both Kefine Klean and Kefine Delci offer good value for their prices.
- Kefine Klean: ₹4,999 (retail), but often available for ₹4,699.
- Kefine Delci: ₹7,999 (retail), but often available for ₹5,990.

While the Delci is slightly more expensive, its sound quality and overall performance justify the higher price for those who are willing to invest in a more engaging, musical IEM. The Kefine Klean, however, offers a great value for those on a budget, delivering excellent sound quality at a more affordable price.
My Take
The Keyan Clean offers fantastic value for money, especially for those on a budget. At ₹4,699, it provides excellent sound quality without breaking the bank.
The Deli, while priced higher at ₹5,990, justifies the cost with its superior sound quality and more engaging musical performance. If you’re willing to invest a little more for a more dynamic listening experience, the Deli is definitely worth it. For those looking for a solid performer without spending too much, the Keyan Clean is an excellent choice.
Which One Should You Choose?
At the end of the day, choosing between the Kefine Klean and Kefine Delci comes down to your personal preferences.
- If you value a more balanced, neutral sound with a focus on clarity, the Kefine Klean is a great choice. It’s well-built, delivers a natural sound, and offers a comfortable listening experience.
- If you prefer a more musical, dynamic sound with a bit of warmth, the Kefine Delci is the better option. It offers richer bass, a warmer mid-range, and more energetic highs, making it ideal for a more engaging listening experience.
For those who want the best of both worlds and are willing to spend a little extra, the Delci is worth the investment. However, if you’re on a budget, the Kefine Klean will still offer excellent value without compromising sound quality too much.






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