BLON - BL-03
In-Ears With 1 Dynamic DriverUnfortunately, even if we desire to, we won't be able to resurrect this product. The Museum is where we pay our respects to end-of-life, old, archived, but not forgotten products. This page was made with a lot of love and will live on for posterity. What to say, we're sentimental people. 😔
While this product is gone forever, here are others we recommend
Customer Reviews
I recently had an issue with my BLON - BL-03 earphones, but thanks to the excellent support from Headphone Zone, I received a fixed piece—and I’m loving it!
This is my first time using IEMs, and the sound is amazing! The music feels so clear and detailed, and I can hear parts of songs I didn’t even notice before. The bass is really nice too—not too much, just perfect. The earphones fit so well and are super comfortable to wear, even for long periods.
If you’re thinking about trying IEMs, I’d totally recommend the BLON - BL-03. A big thank you to Headphone Zone for making both buying and fixing these earphones such a smooth and great experience!
Thankyou for such an amazing review. Glad you had a great experience your support means the world to us
If you aren't mainstream or boogie about things then this is the go to IEM. Got it for under 2k - 4 years ago. Still rips through everything I throw at it.
Everyday use, replaced the mainstream headsets with this and then found the microphone missing because why not just continue with the music and media with a few calls in between.
NOT - using it for music production, but it helps me in my video creation sound/ music design when I have to provide feedback to my music producer.
Hi there! Thank you so much for taking the time to leave a review for the BLON - BL-03. Happy listening!
It's been a year working solid same as new
Hey, thanks a lot for the amazing review!
The BLON BL-03 IEMs and Headphone Zone X ddHiFi Hi-Res DAC are a phenomenal entry into the audiophile world. Paired with Apple Music Lossless, they deliver an awesome experience, unveiling new notes and instruments in my favorite tracks I never noticed before. The BL-03s’ balanced sound and the DAC’s clean signal make every song feel alive. Highly recommend this combo for anyone looking to elevate their music listening!
Hi there! We are thrilled to hear that you are loving the BLON BL-03 and ddHiFi DAC combo! We agree that they are a game-changing combination, especially when paired with high-quality music streams like Apple Music Lossless. Happy listening! :)
I’m truly impressed with these IEMs, especially considering their price point under/near ₹2000. The sound quality is exceptional for the cost, offering clear highs, solid midrange, and a punchy bass that makes listening a pleasure. The build feels sturdy, and the design is sleek and comfortable to wear for extended periods.
However, the stock accessories could use some improvement. Overall, a fantastic option for anyone looking for great sound without breaking the bank.
Thank you for taking the time to leave us such a glowing review for the BLON - BL-03!
The ever dependable stalwart that has never disappointed. Using wide-bore ear-tips and equalization is the way to enjoy these properly I've found. The BLON wire however, is as poor as it gets, and one would find themselves quickly replacing them. Although an IEM in this price range shouldn't require a DAC/AMP to drive, I get a significant upgrade in sound quality with a Dawn Pro. The BL-03 remains relaxing even after long hours.
Nothing makes us happier than knowing you loved your purchase, we hope you had a comfortable shopping experience and thank you for the great review and ratings!
These have a great tuning
change the eartips and these are perfect
the comfort is great for long sessions with non fatiguing sound.
I use with LG g8x, elevated the treble a bit to my liking and they are just wow.
Hey there, thanks a lot for this review! Keep the music playing.😄
I was using pixel buds A before ....... damn these earphones dude...
That's why you money for.....
Never enjoyed music like this before
They sound just sweet and clear ( sound signature)....loved this on very first day ...I want the earphones to work fine for very long time ! Is there any plan for warranty extension??
Thank you for taking the time to leave a review for the BLON - BL-03. Please feel free to reach out to our customer service team and they will be happy to assist you with any warranty inquiries.
Why BLON is Special
Designed in China
Young Maverick Brand
New on the scene, but bringing seasoned expertise 🌟!
I get excited about young maverick brands because they often bring fresh perspectives and cutting-edge innovation that challenge established players. These companies combine youthful energy with serious technical expertise, often demonstrating remarkable attention to detail and commitment to pushing boundaries. Think of them like startup tech companies - they might be newer, but they're hungry to prove themselves and often deliver incredible value.
Drawing on deep industry expertise and passion for audio excellence, these brands often demonstrate remarkable attention to detail and commitment to technological advancement. They frequently deliver cutting-edge technology and performance that rivals established competitors 🚀.
When you see "🥊 Young Maverick Brand" products, expect innovative excellence from companies that combine fresh energy with serious technical expertise to deliver impressive results.
Specialist
A masterpiece from experts who know audio inside and out 🔧!
I tend to describe specialist manufacturers as "audio artisans" who focus exclusively on perfecting specific categories of equipment. These products are meticulously crafted by dedicated experts who possess deep knowledge of sound reproduction, ensuring every technical aspect is refined to perfection. Think of them like master craftsmen who spend their entire careers perfecting one specific skill - their focused expertise shows in every detail.
These dedicated experts bring years of specialised knowledge to the design process, resulting in products that consistently achieve exceptional performance standards through focused engineering excellence 🎯.
When you see "🌟 Specialist" products, expect focused expertise from manufacturers who dedicate their entire efforts to perfecting specific audio equipment categories.
Born in 2014
Why we love this IEM
Value for Money
I've found that the best gear isn’t always the most expensive. Some products punch well above their weight and deliver performance that rivals higher-priced alternatives. That’s what we mean with the "Value for Money" badge. It’s our way of telling you that you’re getting something special without breaking the bank. 🥜
These products are all about maximum returns for minimal investment. You’re not just saving money — you’re gaining an audio experience that exceeds expectations. Whether it’s build quality, tuning, or bundled accessories, these picks overdeliver.
When you see '🥜 Value for Money' products, expect impressive performance at an affordable price, making them a smart pick for budget-conscious buyers or first-time audiophiles.
Cult Following
Cause some things just demand dedication 💫!
I believe that when passionate audio enthusiasts consistently praise something, you know it's genuinely special. This exceptional audio gear has cultivated a devoted and passionate fanbase that recognises its extraordinary qualities and consistently celebrates its outstanding performance. Think of it like that hidden gem restaurant that doesn't advertise but always has a line of people who know something amazing. These products have earned legendary status through years of delivering experiences that resonate deeply with audio connoisseurs.
These selections have earned their legendary status through consistent delivery of exceptional experiences, creating a community of enthusiasts who understand something truly distinctive. The passionate community endorsement carries significant weight because it comes from real-world experience and genuine appreciation 🎯.
When you see "🧑🏼🤝🧑🏼 Cult Following" products, expect to join an exclusive community of passionate enthusiasts who've discovered something that consistently exceeds expectations.
Audiophile Community Favourite
When I see a product that keeps coming up in forums, Reddit threads, and community meet-ups, I know it’s earned its place. "Audiophile Community Favourite" is our way of spotlighting the gear that real listeners — not just reviewers — swear by. 🦋
These are products that enjoy a sort of cult following for all the right reasons: consistently great tuning, build, and value. They're the kind of recommendations you'd get from a friend deep in the hobby. If you're the type who likes going with a proven crowd-pleaser, these picks are beloved by thousands of ears.
When you see '🦋 Audiophile Community Favourite' products, expect reliable recommendations backed by passionate users, often refined over years of trust and love from the community.
Ideal for Beginners
Lost in the vast world of audio equipment?
Don't worry, we're here to guide you 🤝! I believe that everyone's audiophile journey should start with something approachable and welcoming. These carefully selected products serve as the perfect entry point into high-quality sound, specifically chosen to help you navigate through sometimes overwhelming technical options. Think of them as your friendly neighbourhood guide who knows exactly where to start without getting lost in complex specifications.
These products strike an ideal balance between quality and accessibility, featuring user-friendly designs and straightforward functionality. They're specifically selected as the perfect starting point for your audiophile journey, offering serious performance without intimidating complexity or premium pricing that might discourage exploration.
When you encounter "🌱 Ideal for Beginners" products, expect approachable excellence - these are your stepping stones into the world of premium audio, designed to grow with your developing appreciation for great sound.
Upgradeable Cable
Not satisfied with the current cable? No problem 🔧!
I believe in giving you complete freedom to customise your listening experience. These IEMs feature detachable cable systems that let you swap, upgrade, or replace cables whenever you want. Think of it like having a modular smartphone - you can upgrade individual components without replacing the whole device. Whether you're looking to improve sound quality, try different materials, or simply replace a worn cable, the choice is entirely yours.
The standardised upgradeable cable connection ensures compatibility with a wide range of aftermarket cables, giving you access to different sound characteristics and build qualities. This modular approach means your IEMs can evolve with your audio journey, allowing for easy maintenance and personalisation.
When you spot "🔌 Upgradeable Cable" products, expect future flexibility and the freedom to customise your audio experience through cable upgrades and replacements.
Works for Taking Calls
Need to take calls while enjoying your music?
These headphones have got you covered 📞! I've found that nothing's more frustrating than missing important calls because your headphones don't handle them well. These products come equipped with built-in microphones and seamless call functionality, ensuring you never miss an important conversation while immersed in your audio experience. Think of them as your personal communication assistant that switches effortlessly between entertainment and business.
These devices are specifically engineered to provide crystal-clear voice transmission during calls, featuring advanced noise-cancelling technology that helps eliminate background interference. The intuitive controls make it simple to answer calls, adjust volume, and return to music without reaching for your phone.
When you see "☎️ Works for Taking Calls" products, expect versatile audio solutions that excel at both music playback and communication, perfect for professionals and anyone who values seamless connectivity.
Why it Sounds Amazing
Dynamic Driver
The dynamic powerhouse of your sound ⚡!
I believe dynamic drivers are like the "reliable workhorses" of the headphone world - they've been perfected over decades and continue to deliver incredible performance. This driver design uses a lightweight diaphragm attached to a voice coil suspended within a permanent magnetic field, enabling precise and responsive movement that produces sound with remarkable efficiency. Think of them like precision engines that convert electrical energy into acoustic energy with impressive power and naturalness.
Dynamic drivers excel at delivering powerful and authoritative bass reproduction, clear midrange frequencies, and vibrant high frequencies. The inherent strengths ensure your music is reproduced with impressive dynamics and energy that stays true to the artist's intent 🎶.
When you see "🔈 Dynamic Driver" products, expect energetic, natural sound with excellent dynamics that bring every note and beat to life with exceptional realism.
Warm & Smooth Sound Signature
I tend to describe a warm & smooth sound signature as the audio equivalent of a hot cup of tea on a rainy day—comforting, rich, and easy to love. It's perfect for those who prefer relaxed, fatigue-free listening that doesn’t stab you with harsh highs or overly clinical detail. ☕🎶
Technically, this means a slightly elevated bass and lower midrange, with tamed treble to prevent any sharpness. The result is a sound that's full-bodied and inviting, especially great for vocals, jazz, indie, and old-school rock. While it may not offer extreme precision, it excels in musicality and emotional warmth, making long sessions an absolute pleasure.
Ultra-Wide Sound Stage
Do you wish to bring the concert hall to your ears 🏛️?
I love describing ultra-wide soundstage as "audio magic" that creates a breathtaking three-dimensional environment around your head. These specialised headphones feature an exceptionally spacious soundstage that creates the illusion you're sitting in the sweet spot of a magnificent performance venue. Think of it like teleportation technology for your ears - suddenly you're not wearing headphones, you're sitting in Carnegie Hall with perfect acoustics.
The precise instrument placement and remarkable sense of space work together to transport you directly into the music, making you feel as though you're experiencing a live performance. This creates a listening experience that's grand, enveloping, and incredibly detailed 🎭.
When you encounter "😳 Ultra-Wide Soundstage" products, expect concert hall acoustics that make you forget you're wearing headphones through sheer spaciousness and realism.
Thick Bass / Kickass Bass
When I say kickass bass, I’m talking about bass that slaps you right in the face—in the best way possible. It’s that visceral, chest-thumping low-end that makes you feel like you’re in the front row of a concert or a nightclub. If you’re into hip-hop, EDM, Bollywood beats, or anything with a deep groove, this is where the fun begins. 🔊💥
Here’s what’s going on technically: the low-frequency range is heavily emphasised, resulting in powerful sub-bass rumble and impactful mid-bass slam. This kind of tuning brings weight, warmth, and physicality to your music. The trade-off? It might mask some midrange detail or high-frequency sparkle—but for bassheads, the emotional payoff is more than worth it.
Smooth & Sweet Treble
Seeking something that sounds smooth and devoid of harshness 🥰? I tend to describe these headphones as having "silk-like highs" that caress your ears rather than assault them. These products are meticulously designed to deliver high frequencies that are wonderfully gentle, offering a listening experience that's both sophisticated and delightful. Think of it like the difference between premium chocolate and cheap candy - both are sweet, but one provides refined pleasure while the other can be overwhelming.
The carefully tuned treble presentation ensures musical details come through with remarkable clarity while maintaining natural, fatigue-free character. The refined high-frequency presentation maintains excellent detail and air while avoiding any hint of harshness or stridency ✨.
When you see "🍦 Smooth & Sweet Treble" products, expect refined high frequencies that deliver crisp detail with a touch of sweetness and sophistication.
Perfect to Layback & Relax
In my experience, a laid-back sound is like sinking into your favorite armchair after a long day. It doesn’t push details in your face or try to overwhelm you with energy. Instead, it gives your music room to breathe and unfold naturally. Think of it like sipping a glass of smooth whisky—there’s warmth, body, and ease. These headphones or IEMs are ideal for those who want to unwind and soak in a mellow vibe, whether it's a jazz trio or acoustic singer-songwriter set. 🎧
Now, what’s actually happening here is a tuning that gently rolls off the treble and offers a warm, full low-end. The midrange stays intimate, while bass adds comfort without punch, and highs avoid fatigue, making long sessions a pleasure. You won’t get maximum detail or separation—but that’s the point. It’s not about dissecting the mix—it’s about relaxing into it. For bedtime listening or just zoning out, this is your sonic hammock. 😌
The BL-03 offers an enhanced bass response, lifelike expansive soundstage and a universal in-line microphone. This makes it ideal for the vast majority. I was BLON away, you'd be too!
About RAGHAV SOMANI
Raghav Somani is the Founder & CEO of Headphone Zone. An avid audiophile and musician since 2008, his choice of headphones include STAX Electrostats, Audeze LCD 3, and for music on the go, the JH Audio Roxanne + Astell&Kern SP1000 is never too far away. On his playlist, you'll find A.R. Rahman, Michael Jackson, and the Eagles.
DESCRIPTION
THE PERFECT BLEND OF GREAT SOUND & CLASSY LOOKS
Enjoy an incredible, rich bass with the BLON BL-03. These in-ears use 10mm dynamic drivers with a carbon diaphragm. It restores the lower and mid-low frequencies for strong vocals. Add the stylish Kirsite metal housings and these look as good as they sound.
DESIGNED TO BE DURABLE & COMFORTABLE
BLON has crafted the BL-03's ear moulds using professional ear canal data analysis. The angle of the sound tube is adjusted and positioned according to the ear canal. This special shape offers superior comfort and enhances noise isolation. The housing is made from Kirsite and is polished for a mirror-like look. It is covered in an anti-skid and anti-scratches coating to prevent smudges and fingerprints.
HIGH-QUALITY CABLE THAT MAKES CALLING EASY
The high-quality detachable cable is created from four strands of anti-tension and anti-interference wire. It terminates in a 90-degree, 3.5mm gold-plated plug that's meant to last. The cable has an inline mic & remote to take and make calls.
SOUND
FREQUENCY GRAPH
CHEAT SHEET
Regions of the frequency spectrum
(20Hz - 80 Hz)
(80 Hz - 300 kHz)
(300 Hz - 1000 kHz)
(1 kHz - 6 kHz)
(6 kHz - 10 kHz)
(10 kHz - 20 kHz)
SPECS
| MATERIAL | Composite Kirsite |
| IMPEDANCE | 32Ω |
| SENSITIVITY | 102dB/mW |
| FREQUENCY RESPONSE | 20–20 kHz |
| PLUG TYPE | 3.5mm gold-plated L-type |
| CABLE LENGTH | 3.9 ft (1.2 m) |
| CONNECTOR | 0.78mm 2-pin jack |
| MICROPHONE | Yes |
| BOX CONTENTS | 1. BLON BL-03 Earphones with Mic |
| 2. Carrying pouch | |
| 3. 5 pairs of Eartips |
THE PERFECT BLEND OF GREAT SOUND & CLASSY LOOKS
Enjoy an incredible, rich bass with the BLON BL-03. These in-ears use 10mm dynamic drivers with a carbon diaphragm. It restores the lower and mid-low frequencies for strong vocals. Add the stylish Kirsite metal housings and these look as good as they sound.
DESIGNED TO BE DURABLE & COMFORTABLE
BLON has crafted the BL-03's ear moulds using professional ear canal data analysis. The angle of the sound tube is adjusted and positioned according to the ear canal. This special shape offers superior comfort and enhances noise isolation. The housing is made from Kirsite and is polished for a mirror-like look. It is covered in an anti-skid and anti-scratches coating to prevent smudges and fingerprints.
HIGH-QUALITY CABLE THAT MAKES CALLING EASY
The high-quality detachable cable is created from four strands of anti-tension and anti-interference wire. It terminates in a 90-degree, 3.5mm gold-plated plug that's meant to last. The cable has an inline mic & remote to take and make calls.
FREQUENCY GRAPH
CHEAT SHEET
Regions of the frequency spectrum
(20Hz - 80 Hz)
(80 Hz - 300 kHz)
(300 Hz - 1000 kHz)
(1 kHz - 6 kHz)
(6 kHz - 10 kHz)
(10 kHz - 20 kHz)
| MATERIAL | Composite Kirsite |
| IMPEDANCE | 32Ω |
| SENSITIVITY | 102dB/mW |
| FREQUENCY RESPONSE | 20–20 kHz |
| PLUG TYPE | 3.5mm gold-plated L-type |
| CABLE LENGTH | 3.9 ft (1.2 m) |
| CONNECTOR | 0.78mm 2-pin jack |
| MICROPHONE | Yes |
| BOX CONTENTS | 1. BLON BL-03 Earphones with Mic |
| 2. Carrying pouch | |
| 3. 5 pairs of Eartips |
Don't sweat it, this
BLON - BL-03 comes with a 1 Year warranty
from BLON that covers manufacturing defects.
All products featured on Headphone Zone are backed by an original manufacturer's warranty.
Read more about BLON's warranty in India.
"If you're looking for a lively, dynamic, energetic sound with plenty of details - these have it all - there's absolutely nothing wrong with choosing these BLONs."
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"The BLON BL-03 are indeed incredible from the perspective of price/performance ratio, it is definitely remarkable in its balance."
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"The BLON BL-03 is an excellent, accordable earphone with a V-Shaped sound signature that can still provide good mid-range response and non overly boosted extremes."
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"With the BL-03s fitted correctly, the listening began. First, it’s worth pointing out the effectiveness of the passive noise reduction, and the sound isolation."
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"I really enjoy the BL-03 bass. It is a bit enhanced but is reasonably conservative. The sub-bass is emphasized slightly more than the mid-bass, just the way I like it."
Read MoreHave a question? Get in touch!
Check out the most common questions our customers ask. Still have questions? Talk to our Headphone Gurus.
Will these IEMs sound better than stock earphones?
Do these really sound better than Wireless Earbuds?
How will this IEM make my music sound any better?
How do I use these IEMs if my phone doesn't have a 3.5mm output?
Do I really need a Digital To Analog Converter (DAC) or Amplifier to use these?
Why do these IEMs have detachable cables?