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In-Ears With 1 DD + 3 BA DriversGET 18% GST INPUT
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Browse EMI Plans
Low Cost EMI Options through Credit Cards
ICICI Bank
3
Low Cost EMI
₹ 39,356
₹ 3,078
₹ 2,481
6
Low Cost EMI
₹ 20,069
₹ 5,422
₹ 4,387
9
15.99%
₹ 13,643
₹ 7,796
12
15.99%
₹ 10,433
₹ 10,201
18
15.99%
₹ 7,227
₹ 15,102
24
15.99%
₹ 5,630
₹ 20,123
HDFC Bank
3
Low Cost EMI
₹ 39,357
₹ 3,080
₹ 2,481
6
Low Cost EMI
₹ 20,069
₹ 5,425
₹ 4,387
9
16%
₹ 13,643
₹ 7,801
12
16%
₹ 10,433
₹ 10,208
18
16%
₹ 7,228
₹ 15,111
24
16%
₹ 5,630
₹ 20,136
SBI Bank
3
Low Cost EMI
₹ 39,389
₹ 3,177
₹ 2,554
6
Low Cost EMI
₹ 20,012
₹ 5,083
₹ 4,093
9
15%
₹ 13,588
₹ 7,306
12
15%
₹ 10,379
₹ 9,556
18
16%
₹ 7,228
₹ 15,111
24
16%
₹ 5,630
₹ 20,136
Axis Bank
3
Low Cost EMI
₹ 39,357
₹ 3,080
₹ 2,481
6
Low Cost EMI
₹ 20,069
₹ 5,425
₹ 4,387
9
16%
₹ 13,643
₹ 7,801
12
16%
₹ 10,325
₹ 8,905
18
16%
₹ 7,228
₹ 15,111
24
16%
₹ 5,630
₹ 20,136
Other EMI Options through Credit Cards
Citi Bank
3
14%
₹ 39,228
₹ 2,693
6
14%
₹ 19,955
₹ 4,741
9
16%
₹ 13,643
₹ 7,801
12
16%
₹ 10,433
₹ 10,208
18
16%
₹ 7,228
₹ 15,111
24
16%
₹ 5,630
₹ 20,136
Kotak Mahindra Bank
Tenure
Interest%
Installment
Interest
3
16%
₹ 39,357
₹ 3,080
6
16%
₹ 20,069
₹ 5,425
9
16%
₹ 13,643
₹ 7,801
12
16%
₹ 10,433
₹ 10,208
18
16%
₹ 7,228
₹ 15,111
24
16%
₹ 5,630
₹ 20,136
RBL Bank
3
13%
₹ 39,163
₹ 2,500
6
14%
₹ 19,955
₹ 4,741
9
15%
₹ 13,588
₹ 7,306
12
15%
₹ 10,379
₹ 9,556
18
15%
₹ 7,174
₹ 14,135
24
15%
₹ 5,575
₹ 18,822
Standard Chartered Bank
3
13%
₹ 39,163
₹ 2,500
6
13%
₹ 19,898
₹ 4,399
9
14%
₹ 13,534
₹ 6,811
12
14%
₹ 10,325
₹ 8,905
INDUSIND Bank
3
14%
₹ 39,228
₹ 2,693
6
14%
₹ 19,955
₹ 4,741
9
15%
₹ 13,588
₹ 7,306
12
15%
₹ 10,379
₹ 9,556
18
15%
₹ 7,174
₹ 14,135
24
15%
₹ 5,575
₹ 18,822
HSBC Bank
3
12.50%
₹ 39,131
₹ 2,404
6
12.50%
₹ 19,870
₹ 4,229
9
13.50%
₹ 13,506
₹ 6,565
12
13.50%
₹ 10,298
₹ 8,581
18
13.50%
₹ 7,093
₹ 12,679
YES Bank
3
13%
₹ 39,163
₹ 2,500
6
13%
₹ 19,898
₹ 4,399
9
14%
₹ 13,534
₹ 6,811
12
14%
₹ 10,325
₹ 8,905
18
15%
₹ 7,174
₹ 14,135
24
15%
₹ 5,575
₹ 18,822
Bank of Baroda
3
13%
₹ 39,163
₹ 2,500
6
14%
₹ 19,955
₹ 4,741
9
14%
₹ 13,534
₹ 6,811
12
15%
₹ 10,379
₹ 9,556
18
15%
₹ 7,174
₹ 14,135
24
16%
₹ 5,630
₹ 20,136
American Express
3
14%
₹ 39,228
₹ 2,693
6
14%
₹ 19,955
₹ 4,741
9
14%
₹ 13,534
₹ 6,811
12
14%
₹ 10,325
₹ 8,905
18
15%
₹ 7,174
₹ 14,135
24
15%
₹ 5,575
₹ 18,822
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Why 64 Audio is Special
Designed in USA
Established & Reputed
Trust us, our reputation speaks for itself 🏆!
I believe that when a brand has decades of proven excellence, you can invest with confidence knowing your purchase is backed by years of audio engineering expertise. These products come from manufacturers with extensive histories of innovation and unwavering commitment to sonic excellence. Think of them like luxury watch brands - their reputation has been earned through decades of consistent quality and innovation.
With their extensive history of innovation and countless satisfied customers worldwide, you can be confident your investment is backed by proven audio engineering expertise and industry leadership 📈.
When you see "🎖️ Established & Reputed" products, expect time-tested excellence from manufacturers who've consistently demonstrated mastery in audio engineering for generations.
Revered by Audiophiles
Audiophiles can be really picky 😤, and if the audiophile community says something sounds good, you can bet it's exceptional! I believe that earning audiophile reverence is like getting a standing ovation from music critics - it doesn't happen unless you've truly achieved something special. This audio gear has earned widespread acclaim from audiophiles worldwide, a community renowned for exacting standards and unwavering commitment to high-fidelity reproduction.
These discerning enthusiasts particularly value its extraordinary precision in sound reproduction and remarkable capability to create thoroughly immersive listening experiences. The audiophile community's endorsement carries significant weight because of their extensive experience with high-end equipment 🏆.
When you see "🙌🏻 Revered by Audiophiles" products, expect audiophile-grade excellence that satisfies even the most demanding listeners and consistently exceeds the highest standards.
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 2010
Why we love this IEM
I Am Worth It
For the most passionate audiophiles who demand nothing less than audio perfection 💎, these exceptional products represent the absolute pinnacle of sound reproduction technology. When I designate something in this category, it means we've identified something truly extraordinary - a piece of equipment that transcends conventional standards of excellence. Think of these as the Rolls-Royce of audio - masterpieces that don't simply meet expectations but establish entirely new benchmarks for what's possible.
These aren't just premium products; they're timeless investments in musical excellence whose value transcends ordinary performance metrics. Each represents a fundamental redefinition of what's achievable in sound reproduction, incorporating innovations and craftsmanship that justify their exclusive status.
When you see "👑 I Am Worth It" products, understand that you're experiencing audio perfection - these masterpieces cater to those who recognise that true excellence knows no compromise.
Serious Audiophiles Only
For those who have ventured deep into high-fidelity audio 🎯, the pursuit of sonic excellence becomes an endless journey of discovery and refinement. I believe that serious audiophiles demand equipment that can satisfy the most exacting standards and deliver performance that pushes boundaries. These products represent the pinnacle of acoustic engineering, incorporating advanced technologies and meticulous craftsmanship that enable them to reproduce music with utmost fidelity.
Each product has undergone rigorous evaluation to ensure it delivers exceptional performance that discerning listeners demand, from precise frequency response to impeccable detail retrieval and sophisticated sound staging. These devices incorporate premium components and engineering excellence that justify their position at the apex of audio performance.
When you encounter "🦈 Serious Audiophiles Only" products, expect uncompromising performance that satisfies the most demanding requirements and elevates critical listening to new heights.
Ideal for Stage & Live Shows
You deserve perfectly crafted gear for special performances ⭐!
I've found that stage equipment needs to be absolutely reliable when it matters most. These premium audio solutions are meticulously engineered to deliver exceptional reliability and clarity in high-pressure live environments. Think of them as your trusted performance partner who never fails you during those crucial moments on stage. They undergo rigorous testing to ensure they can withstand the demands of professional stage use.
These products offer superior monitoring capabilities and robust construction that performing artists trust. The dependable performance characteristics ensure you can focus entirely on delivering your best performance without worrying about equipment failure 🎭.
When you encounter "🎸 Stage & Live Shows" products, expect professional performance reliability that meets the demands of live entertainment environments.
Tweak & Tune the Sound
Why settle for a fixed sound signature when you can shape your audio experience exactly to your preferences 🎛️?
I love products that put you in the driver's seat of your audio journey. These specialised headphones come equipped with sophisticated, customisable tuning capabilities that let you adjust every aspect of the frequency spectrum. Think of it like having a personal audio chef who can adjust the recipe to your exact taste - more bass for your workout playlist, clearer mids for podcasts, or sparkling highs for classical music.
The adjustable sound signature means you can fine-tune bass response, adjust midrange clarity, or enhance treble detail. Whether you prefer deep bass frequencies, crystal-clear midrange presence, or pristine high-frequency detail, these solutions put you in complete control of your sound 🎚️.
When you encounter "🔧 Tweak & Tune the Sound" products, expect complete sonic customisation that adapts perfectly to your unique listening preferences across different genres.
Built like a Tank
Durability concerns? Rest assured 💪.
I tend to describe these products as audio equipment that's built to survive anything you can throw at them. These headphones incorporate high-grade metal components and reinforced design elements that ensure they can handle demanding conditions while maintaining structural integrity. Think of them as the military-grade vehicles of the audio world - over-engineered for reliability and built to last decades, not just years.
The metal construction provides exceptional strength and longevity while contributing to a premium feel that serious audio enthusiasts appreciate. Whether you're a professional who needs reliable daily-use equipment or someone who values long-term investment in audio gear 🏗️.
When you encounter "🪖 Built like a Tank" products, expect unmatched robustness and durability you can count on for years of intensive use.
Fits like a Dream
Looking for headphones that feel like they were made just for you ✨?
I've found that comfort can make or break your entire listening experience. These headphones provide an exceptionally comfortable fit that adapts perfectly to your unique ear shape and size. Think of it like a well-tailored suit - everything just fits naturally without any pressure points or awkward adjustments. It's the difference between wearing uncomfortable formal shoes all day versus your favourite sneakers.
This premium audio gear features ergonomically designed elements that work together to deliver optimal comfort. From the precisely engineered headband that distributes pressure evenly to the plush ear cushions that create a gentle seal, every aspect has been thoughtfully crafted to ensure long-lasting comfort without compromising sound quality.
When you spot the "👠 Fits like a Dream" badge, expect secure yet gentle fit that maintains comfort throughout extended listening sessions, whether it's a quick commute or an all-day music marathon.
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.
Why it Sounds Amazing
Hybrid Drivers
Looking for a combo of rich and detailed sound 🎵?
I love describing hybrid drivers as getting "the best of both worlds" in one beautifully engineered package. These headphones feature sophisticated hybrid technology that masterfully combines different driver types to deliver extraordinary sonic experiences. Think of it like having a sports car with luxury comfort - you get the precision and speed of performance engineering combined with the richness and smoothness of premium materials.
By integrating multiple driver technologies, these devices achieve both rich, full-bodied sound and intricate detail reproduction. The result is a harmonious blend that captures subtle nuances and powerful dynamics, with each driver type contributing unique strengths to create a complete audio experience ⚖️.
When you see "🔈 Hybrid Drivers" products, expect expertly balanced performance that combines the best characteristics of different driver technologies for complete musical enjoyment.
Neutral + Sparkle Sound Signature
I love describing Neutral + Sparkle 🫧 as the audio version of a clean window with sunlight streaming through—everything sounds balanced and natural, but with a little extra shine where it matters. In my experience, this tuning aims to keep the bass and mids honest, while gently boosting the treble for detail and clarity 🫧. It’s a favourite for listeners who want a reference-style sound with a bit of added excitement. You still get an accurate representation of instruments and vocals, but with that extra crispness in cymbals, strings, and harmonics that adds life to the mix.
IHere’s what’s actually happening: the bass and midrange frequencies stay relatively flat, preserving a sense of true-to-recording accuracy, while the upper treble (typically 8kHz and above) is lifted just enough to bring out micro-detail and air. This gives the sound a slightly more analytical character without feeling cold or sterile. You’ll notice enhanced resolution, faster transients, and a more open soundstage, especially in genres like classical, acoustic, and vocal jazz. The trade-off? If the treble is too boosted, it can sometimes feel a bit sharp or fatiguing over time—but a well-tuned example hits that sweet spot between precision and musicality 🎧.
When you see '🫧 Neutral + Sparkle' products, expect a clear, balanced sound with added treble brilliance, ideal for those who crave accuracy with just the right touch of energy and detail.
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.
Sharp & Precise Details
Are you a lover of sharp and precise details 🔍?
I believe that detail retrieval is like having audio superpowers - suddenly, you hear things in familiar songs that you never knew existed. These premium headphones are meticulously engineered to deliver remarkably detailed and precise sound reproduction, capturing every subtle nuance with exceptional accuracy. Think of them like high-resolution cameras for your ears that reveal the finest textures and micro-details that most headphones simply miss.
The carefully tuned drivers and advanced acoustic design ensure even the most delicate musical elements are reproduced with stunning precision. From the gentle brush of a cymbal to the subtle resonance of acoustic instruments, these products capture and present every sonic detail with remarkable accuracy 🎯.
When you see "📌 Sharp & Precise Details" products, expect extraordinary detail resolution that reveals new layers in familiar recordings with stunning clarity and precision.
Perfect to Analyse Music
Delve deeper into intricate musical layers 🎼!
I believe that some headphones are like musical microscopes - they reveal details and nuances that most people never even know exist in their favourite songs. These specialised audio tools are meticulously engineered for those who seek to explore the deepest intricacies of sound, offering exceptional precision for detailed music analysis. Think of them as detective tools for music that help you uncover every hidden element in complex compositions.
These products enable you to dissect and examine every aspect of the musical landscape, from subtle instrument textures to precise timing, from delicate vocal overtones to intricate harmonic layering. They're specifically crafted for musicians, producers, and discerning audiophiles who desire profound insights into technical and artistic elements 🔬.
When you encounter "🔍 Perfect to Analyse Music" products, expect analytical precision that reveals layers of detail and musical craftsmanship you never knew existed.
Layered and Nuanced Sound
Imagine sitting in the second row of a grand music hall 🎼, where each instrument's placement creates a vivid sonic landscape before you. I believe these headphones recreate that precise spatial positioning, allowing you to distinctly perceive where each instrument would be on an imaginary stage. Think of it like watching an orchestra conductor - you can follow each section independently while appreciating how they work together in perfect harmony. The layered presentation ensures every element occupies its own distinct space while contributing to the whole.
This audio equipment creates a detailed listening experience where musical notes, overtones, and reverberations shine through clearly, keeping complex passages distinct and well-separated. The tuning excels at revealing subtle interplay between instruments and the natural ambiance of recording spaces 🎯.
When you see "🍰 Layered and Nuanced Sound" products, expect intricate soundscapes that reveal the depth, complexity, and artistry in your favorite music with exceptional clarity.
Best Paired With DAC & Amp
Make Way For The Quad Driver Hybrid In-ear Monitor - The 64 Audio U4s












2-Pin Connector
64 Audio U4s equips a 2-pin connector that allows you to pair with various devices.
Meticulous Design
64 Audio U4s is crafted with bold new colour aesthetic and anodised aluminium shell for impeccable aesthetics.
SPC Cable
64 Audio U4s comes bundled with silver plated copper cable featuring 3.5mm termination.

Accessories to Get you Started

1 Tia High Driver + 1 High-Mid Driver + 1 Mid Driver + 1 Dynamic Low Driver
7 x 7 x 4 Multi-Twist
Silver Plated OCC Copper Wire
26 AWG
Terminated in 3.5mm
2. 64 Audio Premium Leather Case
3. TrueFidelity Foam Ear Tips (S,M,L)
4. SpinFit Silicone Ear Tips (S,M,L)
5. Silicone Ear Tips (S,M,L)
6. 3.5mm Black Premium Cable
7. Apex Modules: m20, m15, mX
8. Cable Clip
9. Cleaning Tool
10. Round Sticker
Don't sweat it, this
64 Audio - U4s comes with a 2 Year warranty
from 64 Audio that covers manufacturing defects.
All products featured on Headphone Zone are backed by an original manufacturer's warranty.
Read more about 64 Audio's warranty in India.

Overall, it’s very nicely balanced with a tastefully tuned bump in its pinna gain amplitude to counter those firm lows. Excellent bass response, Clean design lines, Comfortable fitting.
The treble of the U4s is very detailed, sharp and direct.Some higher notes, especially hard and fast hitting cymbals, can come across as thin.
Dynamics on the U4s are praiseworthy. This increases the loudness of the bass and treble, creating a greater sense of contrast.
The U4s, with its dynamic bass driver,I think 64Audio have been busy with their cross-over designs. When I had the U4t demo, I remember thinking, “that’s the low driver, oh there’s the tweeter.
With IEM manufacturers seemingly in an arms race to create the most expensive IEMs imaginable.This may be my favorite 64 Audio release to date; not that it’s The Best.
An excellent all-rounder that you can purchase now and not worry about outgrowing with time.I truly think the U4s is a new benchmark at the $1000 price range and possibly higher too.
Have a question? Get in touch!
Check out the most common questions our customers ask. Still have questions? Talk to our Headphone Gurus.

What is the warranty period on the 64 Audio U4s and how do I claim warranty?
What kind of sound signature can I expect from the 64 Audio U4s?
What is Tia technology, and how does it benefit the sound?
What is LID (Linear Impedance Design), and why is it important?
What types of music are best suited for the 64 Audio U4s?
What is the purpose of the quad-driver configuration?
Dynamic Driver: Handles deep sub-bass for impactful lows
Balanced Armature Drivers (x2): Provide detailed mids
Tia Driver: Delivers crisp and open high frequencies This separation results in a cleaner, more defined sound with excellent clarity across the spectrum.

Other Details
Generic Name | Headphone |
Importer Details | Importers Name: Ferrari Video Address: 63/18, 1st Main Road, Gandhi Nagar, Chennai - 600020 Contact No: 044-24420733 |
Net Quantity | 1 |
Manufacturer Details | Name: 1964 Audio,64 Audio Address: 4510 NE 68th Dr. Suite 102, Vancouver, WA 98661, United States |
Package Contents | 64 Audio U4s Universal In-Ear Monitors 64 Audio Premium Leather Case TrueFidelity Foam Ear Tips (S,M,L) SpinFit Silicone Ear Tips (S,M,L) Silicone Ear Tips (S,M,L) 3.5mm Black Premium Cable Apex Modules M20 M15 MX Cable Clip Cleaning TooL, Round Sticker |