Kinera - Celest Relentless (Ex-Demo Unit)

In-Ears With 1 DD + 6 BA Drivers

Sale price₹ 5,990 Regular priceMRP: ₹ 18,999
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DELIVERY
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What does "ships within 24/48 hours" mean?

In a nutshell, ships within 24/48 hours basically means that your product will be shipped out or dispatched from our warehouse within 24/48 hours after placing the order. It also indicates that the products are readily available at our warehouse and once we receive your order, we dispatch it out at the earliest either on the same day or the next working day depending on when you’ve placed your order.


What it does not mean:

A lot of our customers assume that it means their order will get delivered to them within 24/48 hours, but that’s not what it means. For an order to reach you, it can take anywhere up to 3-4 business days, depending on which part of India you are placing an order from.

For an accurate timeline, you can enter your pin code on the product page and check for an estimated date of arrival.

Delivery By:

7 Day Replacement Guarantee

In case you receive the Kinera - Celest Relentless (Ex-Demo Unit) 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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Why Kinera 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.

🐣

Born in 2011

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.

🌱 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.

⚖️

4.4mm Balanced Plug

🔌 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.

🌶️ V-shaped Sound Signature

I love describing V-shaped sound as the audio equivalent of extra toppings on a pizza—more bass and treble, with a little less midrange in between. It’s fun, energetic, and instantly engaging. If you enjoy music that thumps and sparkles, this is the sound signature that grabs your attention and doesn't let go. 🔊


What’s technically happening is that both the low and high frequencies are emphasised, while the midrange is slightly recessed. This gives you punchy bass, crisp vocals, and sparkling highs, which works especially well with pop, EDM, and hip-hop. The trade-off? Some detail in vocals or instruments might take a backseat. But for everyday listening, V-shaped sound is addictive and thrilling.

💣 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.

✨ Bright & Sparkly Highs

Who says treble can't be done right ⭐?


I tend to describe these headphones as having "magical sparkle" in the high frequencies that makes cymbals shimmer and vocals shine without ever becoming harsh. These products excel in delivering pristine, crystalline high frequencies with remarkable precision and finesse. Think of it like the difference between cheap glitter and real diamonds - both sparkle, but one does it with elegance and refinement that never hurts your eyes.


The treble presentation is masterfully tuned to showcase delicate nuances in the upper register, offering brilliant and engaging listening without fatigue. Every cymbal shimmer, violin overtone, and vocal harmony is reproduced with exceptional clarity and natural brilliance ✨.


When you see "✨ Bright & Sparkly Highs" products, expect extraordinary treble clarity that discovers new layers of detail while maintaining smooth, fatigue-free listening.

🧨 Aggressive and Energetic

Ready for an audio adrenaline rush 🏃‍♂️?


I love describing these headphones as having "lightning in a bottle" energy that keeps you on the edge of your seat. These are specifically engineered to deliver powerful, high-energy sound that makes every listening session feel like an adventure. Think of them like energy drinks for your ears - they transform ordinary tracks into pulse-pounding sonic experiences that keep you motivated and energised throughout your day.


The sound signature is carefully tuned to emphasise punch, impact, and musical drive, ensuring every beat hits with authority and excitement. These products excel at delivering intense, vibrant audio with exceptional dynamic contrast ⚡.


When you see "🧨 Aggressive and Energetic" products, expect high-energy performance that transforms your music into consistently exciting and invigorating sonic adventures.

💪🏻 Great to Get Pumped Up

I’ve always said the right pair of headphones can fire you up faster than a shot of espresso. When I label something as “Great to Get Pumped Up,” I’m talking about gear that’s built for impact. Think of it like stepping into a turbocharged car—the bass hits hard, the treble is energetic, and the soundstage feels intense and alive. Whether you're smashing a workout, heading into a game, or just trying to shake off a long day, this sound signature delivers the adrenaline rush.


Technically, it’s a mix of a boosted low-end, sparkly highs, and tight mids that bring out the crunch in guitars, the slam in kick drums, and the snap in snares. These are headphones that thrive on pop, EDM, hip-hop, and metal—any genre that wants to punch you in the chest and keep your foot tapping. Just don’t expect subtlety; this is all about fun, speed, and emotional lift. ⚡

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

1. Detachable Cable
2. Carrying Case
3. Cleaning Brush
4. Modular Connectors (3.5mm Single-Ended, 4.4mm Balanced)
5. Eartips
6. Metal Bookmark

Introducing The Kinera Celest Relentless: A Fusion Of Exceptional Audio & Exquisite Design

The Kinera Celest Relentless is a flagship-level in-ear monitor that combines exceptional audio performance with stunning aesthetics. Featuring a 1DD+6BA hybrid driver configuration, the Relentless promises deep, impactful bass, clear midrange, and excellent treble extensions. This IEM's faceplate is hand-painted, utilizing a dark green tone to represent the spirit of perseverance, strength, and bravery. The housing is crafted from transparent black resin, giving it a stylish look and ergonomic fit for extended listening comfort. Available with interchangeable 3.5mm and 4.4mm plugs, and bundled with a 5N copper silver-plated cable, the Kinera Celest Relentless reflects a perfect blend of traditional culture and modern technology.

Detailed Overview of the 8mm Dynamic Driver Unit

The Relentless features an 8mm custom dynamic driver unit responsible for mid-to-low frequencies. This driver, with its new generation design and unique tuning techniques, produces a richer and fuller sound, providing robust support for low-frequency extension and energy. The dynamic driver ensures powerful, clear bass and natural, warm mid-frequency vocals, creating a wide and solid soundstage that enhances the overall listening experience.

Exploring the Customized Balanced Armature Drivers

In addition to the dynamic driver, the Relentless houses six balanced armature drivers, meticulously tuned to deliver precise and delicate sound reproduction. The two custom 29689 BA drivers handle mid-to-high frequencies, offering clear, detailed audio and precise imaging of instruments and vocals. Meanwhile, the four custom 10012 BA drivers manage the high frequencies, ensuring extended performance and density. These high-frequency drivers are easy to drive, providing outstanding audio output even at low power, maintaining consistency across all frequency ranges.

In-Depth Look at the Tuning Concept and Techniques

The tuning of the Kinera Celest Relentless embodies the qualities of strength, effort, and bravery. With a pyramid-shaped sound energy distribution, the Relentless offers a warm tonality and dense atmosphere, excelling in expressing emotions, especially in female pop music. The mature multi-driver combination tuning experience results in full, powerful low frequencies with rich layers, accurate mid-range instrument and vocal positioning, and smooth, delicate high frequencies. The tuning balance is achieved through multiple demos and adjustments, boosting sub-bass for a pleasing rumble, moderating mid-bass, balancing upper mid-range for clear vocals, and extending treble for spaciousness.

3D Printed Ear Shells by HeyGears for Enhanced Design

The earphone cavity of the Relentless is skillfully 3D printed by HeyGears, utilizing advanced technology to create complex, precise, and innovative designs. This process ensures a perfect ergonomic shape, providing a comfortable and snug fit. The hand-painted faceplate, depicting the feathers of the Relentless bird and the waves of the East China Sea, symbolizes perseverance, strength, and bravery. The lightweight and durable resin material used for the body emphasizes texture and allows for creative design possibilities, merging traditional cultural elements with modern aesthetics.

Cables and Eartips: Ensuring Versatility and Comfort

The Kinera Celest Relentless comes with a high-quality 5N copper silver-plated cable, enhancing conductivity and overall sound quality. The package includes interchangeable 3.5mm and 4.4mm plugs for versatile connectivity options. Additionally, the Relentless is equipped with various eartips to ensure a customized fit: three sets of Celest 221 Vocal Eartips (S/M/L), three sets of Celest 608 Balanced Eartips (S/M/L), and two sets of Celest Custom Foam Tips (M/L). Other accessories include a storage case, metal bookmark, cleaning brush, and user manual, providing everything needed for an exceptional audio experience.

Detailed Overview of the 8mm Dynamic Driver Unit

The Relentless features an 8mm custom dynamic driver unit responsible for mid-to-low frequencies. This driver, with its new generation design and unique tuning techniques, produces a richer and fuller sound, providing robust support for low-frequency extension and energy. The dynamic driver ensures powerful, clear bass and natural, warm mid-frequency vocals, creating a wide and solid soundstage that enhances the overall listening experience.

Exploring the Customized Balanced Armature Drivers

In addition to the dynamic driver, the Relentless houses six balanced armature drivers, meticulously tuned to deliver precise and delicate sound reproduction. The two custom 29689 BA drivers handle mid-to-high frequencies, offering clear, detailed audio and precise imaging of instruments and vocals. Meanwhile, the four custom 10012 BA drivers manage the high frequencies, ensuring extended performance and density. These high-frequency drivers are easy to drive, providing outstanding audio output even at low power, maintaining consistency across all frequency ranges.

In-Depth Look at the Tuning Concept and Techniques

The tuning of the Kinera Celest Relentless embodies the qualities of strength, effort, and bravery. With a pyramid-shaped sound energy distribution, the Relentless offers a warm tonality and dense atmosphere, excelling in expressing emotions, especially in female pop music. The mature multi-driver combination tuning experience results in full, powerful low frequencies with rich layers, accurate mid-range instrument and vocal positioning, and smooth, delicate high frequencies. The tuning balance is achieved through multiple demos and adjustments, boosting sub-bass for a pleasing rumble, moderating mid-bass, balancing upper mid-range for clear vocals, and extending treble for spaciousness.

3D Printed Ear Shells by HeyGears for Enhanced Design

The earphone cavity of the Relentless is skillfully 3D printed by HeyGears, utilizing advanced technology to create complex, precise, and innovative designs. This process ensures a perfect ergonomic shape, providing a comfortable and snug fit. The hand-painted faceplate, depicting the feathers of the Relentless bird and the waves of the East China Sea, symbolizes perseverance, strength, and bravery. The lightweight and durable resin material used for the body emphasizes texture and allows for creative design possibilities, merging traditional cultural elements with modern aesthetics.

Cables and Eartips: Ensuring Versatility and Comfort

The Kinera Celest Relentless comes with a high-quality 5N copper silver-plated cable, enhancing conductivity and overall sound quality. The package includes interchangeable 3.5mm and 4.4mm plugs for versatile connectivity options. Additionally, the Relentless is equipped with various eartips to ensure a customized fit: three sets of Celest 221 Vocal Eartips (S/M/L), three sets of Celest 608 Balanced Eartips (S/M/L), and two sets of Celest Custom Foam Tips (M/L). Other accessories include a storage case, metal bookmark, cleaning brush, and user manual, providing everything needed for an exceptional audio experience.

2-Pin Connector

It comes bundled with a high-quality detachable cable with 0.78mm 2-pin. You can swap cables according to your preference and for maintenance purposes.

Design

Its transparent black resin shell ensures both a stylish look and ergonomic comfort for extended listening sessions. This design perfectly merges traditional cultural elements with modern technology.

Audio Cable

The cable offers flexibility with interchangeable 3.5mm and 4.4mm plugs, allowing seamless compatibility with various devices and amplifiers. Its 5N copper silver-plated construction ensures optimal conductivity and signal transmission


Box Contents
1. Kinera Celest Relentless (Demo Unit)
2. Detachable Cable
3. Carrying Case
4. Cleaning Brush
5. Modular Connectors (3.5mm Single-Ended, 4.4mm Balanced)
6. Eartips
7. Metal Bookmark
Driver
Hybrid Drivers
Driver Configuration
8mm Dynamic Driver + 6 Balanced Armature
Impedance
27 Ohms
Connector
0.78mm 2-Pin
Plug Type
3.5mm (Single-Ended)
4.4mm (Balanced)
(Interchangeable Plugs)


Exploring High-Resolution Earphone Designs

Kinera is a distinguished brand renowned for its HiFi earphones and upgraded cables. While the brand's first HiFi in-ear monitors were introduced in 2016, they have been supplying Balanced Armature and Dynamic drivers to renowned brands for years. Known for their visually stunning hand-painted earphones that offer high-resolution audio performance and aesthetic appeal, Kinera's premium series earphones are inspired by gods and characters from Norse mythology. Backed by a professional design team, each Kinera earphone boasts a unique appearance. Recently, Kinera has expanded its offerings to include high-quality IEM upgrade cables in the international market.

Explore Collection
Lots of details and great treble extension, fun and engaging tuning, nice overall timbre being a Hybrid set, Great imaging and spacious soundstage along with nice instrument separation.
The Kinera Celest Relentless is a bold and musical IEM with hand-painted shells. Powerful controlled bass. Great detail retrieval.
The Kinera Celest Relentless is an engaging and fun IEM, especially for its price point. Its unique tuning, beautiful design, and solid build quality make it a standout option for both music lovers and gamers.

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: Huason Holding Limited
Address: Unit 408B, 4/F.,Lippo Sun Plaza,28 Carton Road, Tsim Sha Tsui,Kowloon,Hongkong 999077
Package Contents Kinera Celest Relentless (Demo Unit)
Detachable Cable
Carrying Case
Cleaning Brush
Modular Connectors (3.5mm Single-Ended & 4.4mm Balanced)
Eartips
Metal Bookmark


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