64 Audio - Aspire 4 (Ex-Demo Unit)
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Browse EMI Plans
Low Cost EMI Options through Credit Cards
ICICI Bank
3
Low Cost EMI
₹ 20,535
₹ 1,606
₹ 1,294
6
Low Cost EMI
₹ 10,471
₹ 2,829
₹ 2,289
9
15.99%
₹ 7,119
₹ 4,068
12
15.99%
₹ 5,443
₹ 5,323
18
15.99%
₹ 3,771
₹ 7,880
24
15.99%
₹ 2,937
₹ 10,500
HDFC Bank
3
Low Cost EMI
₹ 20,535
₹ 1,607
₹ 1,294
6
Low Cost EMI
₹ 10,472
₹ 2,831
₹ 2,289
9
16%
₹ 7,119
₹ 4,071
12
16%
₹ 5,444
₹ 5,326
18
16%
₹ 3,771
₹ 7,885
24
16%
₹ 2,938
₹ 10,507
SBI Bank
3
Low Cost EMI
₹ 20,552
₹ 1,657
₹ 1,333
6
Low Cost EMI
₹ 10,442
₹ 2,652
₹ 2,136
9
15%
₹ 7,090
₹ 3,812
12
15%
₹ 5,415
₹ 4,986
18
16%
₹ 3,771
₹ 7,885
24
16%
₹ 2,938
₹ 10,507
Axis Bank
3
Low Cost EMI
₹ 20,535
₹ 1,607
₹ 1,294
6
Low Cost EMI
₹ 10,472
₹ 2,831
₹ 2,289
9
16%
₹ 7,119
₹ 4,071
12
16%
₹ 5,387
₹ 4,647
18
16%
₹ 3,771
₹ 7,885
24
16%
₹ 2,938
₹ 10,507
Other EMI Options through Credit Cards
Citi Bank
3
14%
₹ 20,468
₹ 1,405
6
14%
₹ 10,412
₹ 2,474
9
16%
₹ 7,119
₹ 4,071
12
16%
₹ 5,444
₹ 5,326
18
16%
₹ 3,771
₹ 7,885
24
16%
₹ 2,938
₹ 10,507
Kotak Mahindra Bank
Tenure
Interest%
Installment
Interest
3
16%
₹ 20,535
₹ 1,607
6
16%
₹ 10,472
₹ 2,831
9
16%
₹ 7,119
₹ 4,071
12
16%
₹ 5,444
₹ 5,326
18
16%
₹ 3,771
₹ 7,885
24
16%
₹ 2,938
₹ 10,507
RBL Bank
3
13%
₹ 20,435
₹ 1,305
6
14%
₹ 10,412
₹ 2,474
9
15%
₹ 7,090
₹ 3,812
12
15%
₹ 5,415
₹ 4,986
18
15%
₹ 3,743
₹ 7,375
24
15%
₹ 2,909
₹ 9,821
Standard Chartered Bank
3
13%
₹ 20,435
₹ 1,305
6
13%
₹ 10,382
₹ 2,295
9
14%
₹ 7,061
₹ 3,554
12
14%
₹ 5,387
₹ 4,647
INDUSIND Bank
3
14%
₹ 20,468
₹ 1,405
6
14%
₹ 10,412
₹ 2,474
9
15%
₹ 7,090
₹ 3,812
12
15%
₹ 5,415
₹ 4,986
18
15%
₹ 3,743
₹ 7,375
24
15%
₹ 2,909
₹ 9,821
HSBC Bank
3
12.50%
₹ 20,418
₹ 1,254
6
12.50%
₹ 10,368
₹ 2,206
9
13.50%
₹ 7,047
₹ 3,425
12
13.50%
₹ 5,373
₹ 4,477
18
13.50%
₹ 3,701
₹ 6,616
YES Bank
3
13%
₹ 20,435
₹ 1,305
6
13%
₹ 10,382
₹ 2,295
9
14%
₹ 7,061
₹ 3,554
12
14%
₹ 5,387
₹ 4,647
18
15%
₹ 3,743
₹ 7,375
24
15%
₹ 2,909
₹ 9,821
Bank of Baroda
3
13%
₹ 20,435
₹ 1,305
6
14%
₹ 10,412
₹ 2,474
9
14%
₹ 7,061
₹ 3,554
12
15%
₹ 5,415
₹ 4,986
18
15%
₹ 3,743
₹ 7,375
24
16%
₹ 2,938
₹ 10,507
American Express
3
14%
₹ 20,468
₹ 1,405
6
14%
₹ 10,412
₹ 2,474
9
14%
₹ 7,061
₹ 3,554
12
14%
₹ 5,387
₹ 4,647
18
15%
₹ 3,743
₹ 7,375
24
15%
₹ 2,909
₹ 9,821
Talk to a Headphone Guru
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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.
👠 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.
🕯️ Dark Sound Signature
I tend to describe a Dark sound 🕯️ signature as the audio equivalent of a candlelit room—everything feels smooth, relaxed, and free from harsh glare. Imagine listening to music with the brightness dialed down, so the bass and mids feel warm and full, but the treble is intentionally toned down 🌙. This kind of tuning avoids the sharpness or fatigue that can come from bright highs, making it ideal for long listening sessions, especially with jazz, blues, ambient, or older recordings where you want a laid-back, cozy atmosphere over clinical detail.
Here’s what’s actually happening: the treble region—typically from around 6kHz upward—is rolled off, meaning it’s less prominent in the overall mix. This gives the music a smoother, darker tonal colour, with no harsh peaks or sibilance. You’ll often hear the bass and lower mids take center stage, creating a rich, weighty foundation that’s easy on the ears. The trade-off? You might notice a lack of sparkle or air in vocals and cymbals, and sometimes a feeling that the sound is less open or detailed. But for listeners who prioritise warmth, comfort, and non-fatiguing sound, a Dark tuning can be incredibly satisfying 🕯️.
When you see '🕯️ Dark' products, expect a warm, smooth, and relaxed sound that’s free from treble sharpness, perfect for easygoing listening and fatigue-free sessions.
😳 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.
🍿 Crisp Vocals & Instruments
Vocals and instruments sound so good, it's like a warm hug 🤗!
I believe that when vocals are reproduced correctly, they should feel like the artist is performing right there with you. These headphones demonstrate exceptional prowess in reproducing clear, articulate vocals and instruments, with each element rendered in stunning detail and separation. Think of it like having front-row seats to an intimate acoustic performance where every breath, every string resonance, every subtle inflection comes through perfectly.
The natural timbre and tonal accuracy create an engaging presentation where every nuance is preserved while maintaining fatigue-free listening. Each word, note, and subtle inflection is reproduced with outstanding definition and emotional connection 🎤.
When you encounter "🍿 Crisp Vocals & Instruments" products, expect vocal excellence that brings you closer to the emotional heart of every performance.
🍦 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. 😌
Headphone Zone Certified Demo Headphones
Our careful selection of demo headphones gives you the experience of pre-burned in headphones - at drop dead prices. We do this sale every year to clear up our existing demos and to make way for new units instead. These demo headphones have been used at our Experience Studio in Mumbai. The pictures above depict the condition of the product and also indicate the accessories available with the headphone. For any specific questions about the condition please get in touch with us! While the product itself is fully tested by our Headphone Gurus and the outer packaging may have suffered some damage.
Get The Best Deal
You may or may not get the original packaging or some accessories may be missing & because of the fact that they've been extensively used as a demo at the Experience Studio, we give a good discount compared to a new gear.
Unchanged Policies
Received a defective Demo unit? Return it under our 7 Day Replacement Guarantee Policy.
P.S. If you do not like your gear, unfortunately we will not be able to accept the return.
Pre-Burned In
Demo headphones save you the time of burning in new headphones. Typically, brand new headphones take up to weeks to fully break in and sound as good as they should. With demo headphones, you get to enjoy the best sound out of the box.
Unbiased Customer Service
We have the same Headphone Zone customer support experience for Demo Units or any products.
Consider It Vintage
Vintage products have a certain charm that cannot be put into words. Think of old, discontinued demo headphones as vintage. They have a story; they have, how-to-say, character.
Professionally Inspected
A thorough inspection means you receive a 100% working headphone with no sound output issues.
Accessories to Get you Started
64 Audio Presents The Ultimate Performance Monitoring IEM - The Aspire 4
3.5mm Termination With 1/4" adapter
64 Audio Aspire 4 audio cable features a 3.5mm termination and a 1/4" adapter for easy compatibility with a portable DAC & Amp performance.
Ergonomic Design
64 Audio Aspire 4 is crafted with a moulded ABS shell and stainless steel nozzle, ensuring a robust and long-lasting design.
2. Carry Case
3. Ear Tips
4. IPX Cable
5. Cleaning Tool
6. 1/4" Adapter
7. Shirt Clip
2 Mid Balanced Armature Drivers
1 High Balanced Armature Driver
6.35mm (Single-Ended)
Stainless Steel Nozzle
Don't sweat it, this
64 Audio - Aspire 4 (Ex-Demo Unit) comes with a 3 Months 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.
If professional audio is your thing, or you simply like a neutral sound signature, while looking for some liveliness and sparkle in the highs, your search for a new IEM may be over.
The 64 Audio Aspire 4 is the most affordable universal IEM, and its tuning is quite decent, particularly with its bass performance, which adds an enjoyable dimension to the listening experience.
the Aspire 4 prioritizes warmth and natural sound over analytical detail, making it a comfortable and non-fatiguing listen for extended periods.
The Aspire 4 is a serious professional tool that comes at a serious price. For all the things it does well, there are improvements that could be made in order to bolster the sound.
The quality of that sound is something to applaud given its sharpness and detailed delivery across various genres.
64 Audio had a lot to accomplish with Aspire 4, and in short, they pretty much nailed everything they set out to do.
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 Aspire 4 (Demo Unit) Carry Case Ear Tips IPX Cable Cleaning Tool 1/4 Adapter Shirt Clip |
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