Headphone-Zone-64 Audio-Duo
Headphone-Zone-64 Audio-Duo
Headphone-Zone-64 Audio-Duo
64 Audio - Duo
Headphone-Zone-64 Audio-Duo
Headphone-Zone-64 Audio-Duo
Headphone-Zone-64 Audio-Duo
Headphone-Zone-64 Audio-Duo
Headphone-Zone-64 Audio-Duo
Headphone-Zone-64 Audio-Duo
Headphone-Zone-64 Audio-Duo
Headphone-Zone-64 Audio-Duo
Headphone-Zone-64 Audio-Duo
Headphone-Zone-64 Audio-Duo
Headphone-Zone-64 Audio-Duo
Headphone-Zone-64 Audio-Duo
Headphone-Zone-64 Audio-Duo
Headphone-Zone-64 Audio-Duo
Pre-order
64 Audio

64 Audio - Duo

In-Ears With 1 DD + 1 BA Drivers
Sale price₹ 99,990 Regular priceMRP: ₹ 119,999
GET 18% GST INPUT

One of the reasons headphones and earphones in India are more expensive than overseas is because of the Goods & Services Tax in India.

Don't let the GST input go to waste especially if you can avail an offset.

All products sold on Headphone Zone carry a GST compliant invoice and all products sold include an 18% GST.

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DELIVERY

1. What is a Pre-Order product?
A Pre-order product is a product that we especially order for you from the brand. Once you place an order with us, we will order it from the brand for you.

2. How do I know when the product will be delivered?
There is a rough timeline on the product availability and once it has been confirmed with the brand, we will inform you. 

3. Do you order the product from the brand as soon as I place the order?
We do not immediately order the product but add it in the upcoming order.

4. Will you be giving me updates?
Once we have ordered the product and have a confirmed timeline, we will give you an update.

5. I’d like to make changes to/cancel my order?
You can only cancel/make changes to your order until we place the order with the brand. Since the product is specifically being ordered for you, we will be unable to cancel/make changes once we order the product from the brand.

Free Shipping
7 Day Replacement Guarantee

In case you receive the 64 Audio - Duo with a manufacturing defect, please raise a return request within 7 days of delivery.

However, if you receive an incorrect / damaged / different product or one with missing accessories, please raise a return request within 24 hours of delivery. In case you receive a product with a missing, incorrect, or faulty accessory, you will be given a replacement accessory instead of the entire product.

Please make sure that the product is in the original packaging with all the accessories it came with. We'll also need an unboxing video and images of the parcel to investigate about the discrepancy. You may be asked to share images of the product and the packaging received for us to determine the damage or defect prior to approving the return request. The free replacement will be shipped only once the original order is returned.

A replacement will be issued only if:

- It is found to be defective
- It is determined that the product was not damaged while in your possession
- The product is not different from what was shipped to you
- The product is returned in original condition (with brand’s/manufacturer's box, MRP tag intact, user manual, warranty card and all the accessories therein)

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Warranty & Services

Don't sweat it, this 64 Audio - Duo comes with a 1 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.

Payment Offers
Snapmint

Tenure available: 3, 6 and 9 months
Eligibility: Above 18 years of age, Credit Card NOT Required
Transaction value: Available on all orders
Payment Gateway: Please choose Snapmint Cardless EMI at checkout

Tenure Downpayment Installment Interest

3 Months
(No Cost EMI)

₹ 24,998

₹ 24,998

₹ 0

6 Months
(Low Cost EMI)

₹ 24,998

₹ 13,049

₹ 3,350

9 Months
(Low Cost EMI)

₹ 24,998

₹ 9,039

₹ 6,499

Axio

Tenure available: 3 or 6 Months
Eligibility: All above 21 years of age
Transaction value: Available on all orders below Rs. 60,000/-
Payment Gateway: Please choose Razorpay at checkout

Tenure Interest% Installment Interest

3 Months

No Cost EMI

₹ 33,330

₹ 0

6 Months

No Cost EMI

₹ 16,665

₹ 0
Zest Money

Tenure available: 3 Months
Eligibility: All Zestmoney users
Transaction value: Depends on your credit limit
Payment Gateway: Please choose Cashfree at checkout

Tenure Interest% Installment Interest

3 Months

No Cost EMI

3

No Cost EMI

₹ 33,330

₹ 0
MobiKwik

Cashback Offer
  • Select Cashfree at Checkout to transact through Mobikwik
  • Get Additional Cashback upto Rs. 500/- on transaction via MobiKwik wallet
  • Use Code :- MBK500 on MobiKwik Payment page to avail the additional cashback.
  • Transaction to be done through MobiKwik wallet only
  • Offer can be availed on minimum transaction of Rs. 1999/-
  • Offer can be availed once per user during the campaign
  • Offer valid till 30th September '23
  • T&C Applied
Club Audiophile

Club Audiophile

Join Club Audiophile to begin your pursuit of great sound. Earn points and save on every purchase.

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Designed in
the USA

Balanced Sound Signature

Wired Earphones with a Balanced sound signature presents a precise sound and an enriching listening experience, where sounds are naturally presented without extreme emphasis on any region. With a pair of headphones with this sound signature, you can hear audio with clarity and detail. The sound is vivid and revealing, a perfect mixture of instruments and vocals, lows, mids, and highs. This sound signature works for most music listeners who like switching between various music genres like Classical, Jazz, Blues, Rock, Folk and Pop.

1 Year of
Warranty

Ideal for Audiophiles

These earphones/IEMs are designed for discerning music lovers. If you are someone who cares about audio quality deeply, you'll want a pair of earphones/IEMs like these. You can expect them to present a Hi-Fidelity listening experience.


The audio quality exhibited by these earphones/IEMs is a beautiful mix of musicality, technical brilliance and high precision. These earphones/IEMs deliver a spacious and open soundstage with utmost clarity and detail. Delve into pure sonic bliss with these earphones/IEMs!
Best Suited for Portable Use

The ability to carry your favourite earphones/IEMs around is priceless for those who value them. These earphones/IEMs offer the ultimate portability experience without sacrificing sound quality. 



If you’re someone who appreciates cutting-edge engineering, quality sound and portability, look no further. These earphones/IEMs are designed to be trusty companions and are cleverly engineered with the latest technology to offer the ultimate combination of Portability & Hi-Fidelity.

1 BA + 1 Dynamic
Drivers

Replaceable Cables

A pair of headphones with a replaceable cable has many benefits, and one of them is if the connecting cable has a problem, it doesn’t mean that you have to buy a new one. If the connecting cable gets pulled or damaged, you can replace it and keep using your good-old headphones or IEMs. This way, your headphones will be protected and will last longer. With the advancements in cable manufacturing, you now get a variety of replacement cables with various termination options, lengths and quality.
Open-Back Design

Earphones/IEMs with an open-back design are unique, allowing air to pass through the shells. What this means is that since open-back earphones/IEMs do not block surrounding noises as closed-backs do, you will be able to enjoy an immersive listening experience. The sound is more natural and Hi-Fidelity due to the lack of pressure build-up.


Open-back earphones/IEMs create a feeling of space, presenting audio as if you are sitting at a live concert. These earphones/IEMs are perfect for critical listening sessions and mixing and mastering music due to their accurate soundstage presentation and precise imaging.
Tangle-Free Cables

Every time you reach for earphone/IEM cables to connect them to your earphones/IEM, no matter how neatly you "wrapped" them up, they end up in a giant Gordian knot of frustration. Tangled cables are the bane of modern existence, and everyone owning a wired pair of earphones/IEM can attest to this.


With advances in cable-making techniques and radical approaches to manufacturing, there are now several solutions to this universal problem. You get Flat cables, Mesh Design cables, cables coated with exterior covers and cables designed with a zipper style design to avoid Tangle and attempt to solve the issue.

Super Lightweight
Design

The 64 Audio Duo is unique in its way with its hybrid driver array and partly open design. These IEMs deliver plenty of detail and a wide soundstage, and you can expect the highest level of listening pleasure from them.
RAGHAV SOMANI

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.

ACQUAINT YOURSELF WITH IMMERSIVE AUDIO WITH THE 64 AUDIO DUO UNIVERSAL IN-EARS

64 Audio is one of the leading brands in the field of in-ear monitors (IEM). The company, which has its development and manufacturing facilities, concentrates on offering high-quality products for professional and audiophile customers. 64 Audio’s latest Universal IEM, the Duo, is a dual driver hybrid design. Built with the complete TIA System, Apex Core, Wave Sync, and LID, Duo presents 64 Audio’s signature balanced sound in a whole new way. The simple audio design captures the listener’s auditory senses while forgetting they’re wearing IEMs in the first place. In addition, the Duo have a partially open rear panel, which allows the drivers to operate more freely. With these technologies embedded the Duo presents a powerful and engaging listening experience.

Headphone-Zone-64-Audio-Duo

LEVERAGING 64 AUDIO’S PROPRIETARY TIA TECHNOLOGY AND SINGLE BORE DESIGN

The 64 Audio Duo features exclusive technologies that challenge traditional in-ear monitor designs to give you the best listening experience. The Duo features a driver array which offers a three-dimensional high-resolution sound thanks to the proprietary TIA technology and the accompanying TIA single-bore design. Tubeless In-Ear Audio (TIA) is a patented IEM design methodology aiming to reduce unwanted resonance and distortion for a transparent and lifelike sound. The TIA driver is an open balanced armature speaker designed for realistic resolution and transparency. By modifying a balanced armature, the diaphragm becomes completely unobstructed, reducing resonance in the IEM and allowing sound to travel more naturally to the ear. The TIA Single Bore has a considerable advancement in eliminating unwanted tube resonance. The large bore serves as a sound-shaping chamber and aids the TIA high driver in delivering a linear and coherent frequency response. The short sound path provides remarkable high-frequency extension and smoothness. The bore also allows for easier maintenance.
tia

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EMBEDDED WITH A HYBRID DRIVER ARRAY TO PRESENT A HIGHLY DETAILED AND LIFE-LIKE SOUND

The team at 64 Audio have pushed the boundaries of how a hybrid driver array manages to achieve a full and engaging audio reproduction. 64 Audio embeds proprietary TIA technology BA drivers and a dynamic driver that are elevated in their functioning and eliminate the issues faced with traditional hybrid configuration. The driver configuration for the Duo consists of a 9mm dynamic driver and a TIA high driver that work in harmony with each other. Rather than constricting the sound of the drivers by fitting a tube onto them, Duo’s complete Tia System reduces unwanted resonance and distortion by allowing the 9mm Dynamic Driver and TIA High Driver to radiate freely into the single large TIA bore with no obstructions to the front of the drivers. These drivers are managed with an integrated 2-way passive crossover and allow the Duo to achieve a frequency response of 20Hz - 20,000kHz and a sensitivity of 98 dB/mW. The impedance of the Duo is also nominal and can pair with a variety of devices.

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Headphone-Zone-64-Audio-Duo

INCORPORATING APEX TECHNOLOGY IN A SEMI-OPEN DESIGN TO ALLEVIATE FATIGUE

64 Audio integrates proprietary modular Apex technology for a fatigue-free sound experience and adjustable ambience isolation. Duo’s faceplate features a striking perforated grill that leaves the shell of the IEM open to the outside atmosphere for a less obstructed airflow resulting in an effortless reproduction of music and minimal physical fatigue. Air Pressure Exchange (Apex) is a patented technology that releases air pressure in a sealed ear canal all while retaining standard IEM levels of isolation, enabling musicians and music enthusiasts to listen more comfortably for longer. This venting alleviates listener fatigue and allows for a much more realistic soundstage. When you seal a miniature speaker in an ear canal, the air inside becomes trapped. Apex relieves this air pressure, allowing the eardrum to move naturally, so you can comfortably listen longer. Apex technology also extends the soundstage by allowing air to move freely and provides a more natural listening experience. It also preserves bass frequencies and helps the listener distinguish individual instruments. Apex also lowers decibel levels while presenting the clarity of the sounds around you, so artists on stage can connect with their audience while protecting their hearing.
apex

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Headphone-Zone-64-Audio-Duo
Headphone-Zone-64-Audio-Duo

UTILISING 64 AUDIO’S UNIQUE WAVE SYNC TECHNOLOGY FOR A COHERENT AUDIO EXPERIENCE

Speaking of the 2-way passive crossover, the Duo has a high crossover point around 5-6kHz on the frequency spectrum. Given you are moving from a 9mm dynamic driver to a single BA, 64 Audio has implemented an industry-first Wave Sync technology to keep a lid on any phase control issues. The key to Wave Sync is a type of “all-pass” filter up the gain in all frequencies equally while controlling the phase relationship among various frequencies to allow 64 Audio’s Duo to correct timing issues without actually moving the drivers. The Wave Sync technology developed by 64 Audio eliminates several problems that occur due to high crossover points elegantly and effectively.
Wave Sync

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Headphone-Zone-64-Audio-Duo

CONSISTENT AND RELIABLE SOUND EVERY TIME YOU USE THE DUO WITH THE LID CIRCUIT

64 Audio Duo makes use of exclusive technologies to push the performance tenfolds. One such technology embedded in the Duo is the LID (Linear Impedance Design) circuit. LID, or Linear Impedance Design, enables a consistent, reliable sound regardless of the source. This proprietary circuit corrects the non-linear impedances of the drivers, restoring proper interaction with the source device and preserving the desired sound signature. Varying source amplifier output impedance in devices like smartphones, body packs, DAC/amps, and DAPs typically results in varying frequency responses across them, depending on the increase in resistance. Restoring proper interaction with the source and preserving the desired sound signature enables a reliable sound. Whether you're a musician plugging into gear at different gigs or studios or an audiophile listening from low-impedance sources, LID ensures your IEMs present the desired sound signature.

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ERGONOMICALLY DESIGNED AND COMES BUNDLED WITH A VARIETY OF ACCESSORIES

64 Audio are well known amongst the audiophile community and even musicians for offering highly considerate and detailed in-ears. Every aspect of the build is carefully thought through and serves a purpose at large. Just like the internal architecture that is carefully engineered, the exterior of the 64 Audio Duo is designed with the best materials and techniques. Each shell is meticulously designed with premium materials and finished with a unique open faceplate. The complex faceplate serves a role in protecting the shells of the IEM while allowing air to flow freely and is also a step in 64 Audio’s product design evolution. The Duo is a timeless and elegant design reminiscent of open-back over-ear headphones. The shells offer maximum comfort while wearing and don’t feel fatiguing even when used for a long time. The Duo comes bundled with a new silver-plated OCC copper wire cable with a 7 x 7 x 4 Multi-Twist design for clean audio transmission. You also get a 64 Audio premium leather case to store your Duo when not in use. There are a variety of TrueFidelity foam and silicone earpieces, each in sizes S, M and L, included in the box to get you started.

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Headphone-Zone-64-Audio-Duo
Headphone-Zone-64-Audio-Duo
1 Year Warranty

Don't sweat it, this 64 Audio - Duo comes with a 1 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.

Headfonics

"I am fascinated to see where 64 Audio will go with the new Duo technology and improved build quality. Either way, it's a promising and immensely likable beginning."

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Major HiFi

"The Duo brings you all the benefits of a tube-less In Ear, but enhanced with the benefits of an open back design. You get a very well constructed stage, wonderful imaging and just an open and airy sound."

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HiFi+

"In my eyes, the Duo is an IEM for listeners who are indexing more heavily for comfort, and it mostly provides a solid compliment to some of 64A's other products and the other IEMs in my collection."

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Headfonics

"Duo can definitely satisfy a craving for that analog speaker like bass paired with a clear detailed tonality and extra sparkle of upper frequencies delivered by its tia driver."

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Major HiFi

"With the Duo, 64 Audio have made one of their most accessible, yet innovative monitors yet. It mixes a clean, easygoing tonality with a hodgepodge of technologies inside-and-out."

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Customer Reviews

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