ThieAudio - Monarch MKIII

In-Ears With 2 DD + 6 BA + 2 EST Drivers

Sale price₹ 109,999
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.

Simply enter your GST number at the time of checkout.

Browse EMI Plans

Low Cost EMI Options through Credit Cards


Other EMI Options through Credit Cards

Talk to a Headphone Guru

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.

Defective? Tell us within 7 days. We'll take care of it.

Something wrong with your product? We'll sort it out.

Wrong product, damaged, or missing parts: Let us know within 24 hours of delivery. If it's just an accessory, we'll replace the accessory.

What we'll need:

- Product in original packaging with all accessories

- Unboxing video and images of the parcel


This helps us see what went wrong and move faster.

Manufacturing defect: Let us know within 7 days of delivery. We'll replace or refund.

The process:
1. Raise a request - you'll get a RET number and hear from us by the next working day.
2. Once approved, we arrange pickup.
3. We inspect the product (2-3 working days).
4. Replacement shipped or store credit or refund issued.

A replacement or refund will be issued if:

- The product is found to be defective

- It wasn't damaged while in your possession-

- The same product is returned in original condition - box, MRP tag, manual, warranty card, all accessories



READ THE FULL REPLACEMENT POLICY
1 Year warranty included. You're covered.

This ThieAudio - Monarch MKIII comes with a 1 Year manufacturer's warranty from ThieAudio, covering manufacturing defects.

Every product on Headphone Zone is backed by an original manufacturer's warranty.

Need support? Start with us. We handle most brands' warranty claims directly, and for the rest, we'll help you connect with the brand.

Read about ThieAudio's Warranty
Earn 109,999 Club Audiophile Points - a perk of being one of us.

Earn: 1 point for every ₹1 spent.
Write a review, earn 100 more.

Redeem: 20 points = ₹1 off.
Use at checkout.

LEARN MORE ABOUT CLUB AUDIOPHILE

Why ThieAudio 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.

🙌🏻 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.

🦩

Boutique Brand

🐣

Born in 2019

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.

🥇 Incredibly Popular

Some things deserve all the attention ⭐!


I've found that when something becomes incredibly popular in the audio world, it's usually for very good reasons. This exceptional audio gear has earned widespread popularity by consistently delivering outstanding performance that resonates with listeners across diverse preferences and experiences. Think of it like that blockbuster movie that everyone loves - sometimes, universal appeal indicates genuine quality rather than just marketing hype.


The widespread acclaim isn't just about trend or marketing - it's a testament to genuine quality and performance that has been consistently demonstrated through real-world usage. This popularity has been earned through merit, delivering reliable satisfaction to countless users 📈.


When you encounter "🥇 Incredibly Popular" products, expect proven excellence validated by the collective experience of satisfied users who've made these their go-to choice.

🦋 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.

💙 Our Team's Favourite

Cause after all, we are audiophiles first 🎧!


In my experience, when our entire team gets excited about something, you know it's genuinely exceptional. This audio gear has captured the hearts and minds of our seasoned experts, distinguishing itself as a standout favourite among people who test hundreds of products every year. Think of it like getting a unanimous recommendation from a panel of audio critics - when everyone agrees, you pay attention.


These selections have not only met but exceeded our rigorous standards, earning enthusiastic endorsement from our audio specialists who've tested everything from budget options to flagship models. When you choose these products, you're selecting gear that has been thoroughly vetted and passionately embraced by genuine experts 🏆.


When you choose "💙 Our Team's Favourite" products, expect expertly vetted excellence backed by genuine enthusiasm from people who live and breathe audio every day.

⚖️

2.5mm & 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.

🎚️ Neutral + Bass Sound Signature

I tend to think of Neutral + Bass🎚️as that sweet spot where accuracy meets enjoyment—like listening to studio-quality sound but with a little extra kick in the low end. Imagine a well-made meal with a touch more seasoning—not overpowering, just enough to enhance the flavour 🍲. In this tuning, the mids and treble remain flat and natural, preserving clarity and tonal balance, while the bass gets a tasteful boost. It’s a great fit for listeners who want a true-to-life presentation with a bit more warmth, fullness, and low-end impact across genres like hip-hop, R\&B, pop, or indie.


Here’s what’s actually happening: the frequency response is mostly linear, especially in the midrange and treble, but the sub-bass or mid-bass is elevated slightly, usually around the 80–150Hz region. This adds punch and depth without muddying the overall sound. The benefits are clear: vocals and instruments sound natural, while kick drums, bass lines, and cinematic rumbles come through with satisfying weight. It’s an excellent tuning for people who appreciate clarity and balance, but don’t want to sacrifice musical engagement or low-end presence 🎚️. The only trade-off? Some may find it less “flat” than true reference gear—but that’s exactly what makes it fun.


When you see '🎚️ Neutral + Bass' products, expect a clean, balanced sound with just the right amount of bass boost, ideal for detail lovers who still want to feel the music.

😳 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.

🍰 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.

🚂 Needs Amplification

I tend to say this when a headphone or DAC just doesn’t wake up unless it’s got some real juice behind it. Think of it like a sports car that needs the right kind of fuel—without enough power, it won’t go anywhere near top speed. Some gear, especially those with high impedance or low sensitivity, demands a dedicated amplifier to reach its full potential.


Here's the trade-off: these headphones or IEMs may sound underwhelming straight out of a phone or laptop, but when paired with proper gear, they transform dramatically. You get tighter bass, better control, and improved resolution.


If you’ve got a power-hungry planar or a studio-grade headphone, investing in a portable or desktop amp will unlock nuance, dynamics, and depth that you’re otherwise missing out on. ⚡

The ThieAudio Monarch MKIII elevates the music-listening experience to unprecedented levels of immersion and detail. The newly integrated Impulse bass system performs exceptionally well and is finely tuned for exquisite sound quality. With these enhancements, the Monarch MKIII surpasses its predecessor, solidifying its position as the go-to in-ear monitor in its price range.
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.

THIEAUDIO PRESENTS THEIR UPDATED AND UPGRADED FLAGSHIP IEM - THE MONARCH MKIII

The original Monarch and Monarch MKII were groundbreaking in the global IEM industry, setting new standards for performance. They redefined the price-to-performance ratio and influenced how IEMs are engineered and tuned. Now, the Monarch MKIII takes it to the next level with improved technical and tonal performance. Experience unparalleled auditory bliss with the ThieAudio Monarch MKIII In-Ear Monitors. These cutting-edge monitors push the boundaries of sound fidelity, providing an immersive and captivating audio experience like never before. With updated drivers, tuning strategies, and significantly improved ergonomics, the Monarch MKIII offers the legendary performance of the MKII with enhanced technicalities and comfort.

Headphone-Zone-ThieAudio-Monarch-MKIII

FEATURES A TRIBRID DRIVER ARRAY FOR A TRUE FLAGSHIP-GRADE AUDIO PERFORMANCE

Immerse yourself in a world of pure sonic pleasure with the Monarch MKIII. This latest version features an upgraded driver configuration that takes bass, mids, and trebles to new levels of brilliance. With a combination of 2 dynamic drivers, 6 balanced armature drivers, and 2 electrostatic drivers, you'll experience the richness and clarity of every note, vocals, and instrumentals in stunning detail. The Monarch MKIII is equipped with advanced technology for impeccable sound isolation, ensuring you're fully immersed in your musical journey without any external distractions. Whether you crave heart-pumping beats or serene melodies, these in-ear headphones deliver an unparalleled listening experience.

Headphone-Zone-ThieAudio-Monarch-MKIII
Headphone-Zone-ThieAudio-Monarch-MKIII
Headphone-Zone-ThieAudio-Monarch-MKIII

HEAR PUNCHY BASS RESPONSE WITH THE IMPLEMENTATION OF IMPACT2 TECHNOLOGY

Introducing IMPACT2 (Impact Squared), the latest technological breakthrough from ThieAudio, revolutionising the personalised audio industry. IMPACT2 is a cutting-edge subwoofer solution featuring (x2) 10mm composite diaphragm drivers arranged in an isobaric design. By adding another 10mm subwoofer, the bass's power and texture are significantly enhanced, while the in-house isobaric chamber design ensures consistent frequency and pressure. As a result, you can enjoy superior bass quality without compromising on tonal integrity. IMPACT2's dual 10mm subwoofers deliver a truly immersive audio experience with enhanced bass that takes your listening pleasure to a whole new level.

Headphone-Zone-ThieAudio-Monarch-MKIII
Headphone-Zone-ThieAudio-Monarch-MKIII

LUSH MIDRANGE AND CRISP TOP END WITH ENHANCED ULTRA-TREBLE OUTPUT

The Monarch MKIII has undergone significant updates, now featuring Sonion's latest electrostatic (EST) drivers, and benefiting from ThieAudio's advanced tuning strategy. The EST drivers have been fully optimised, resulting in an expanded upper-frequency extension from +15kHz to 20kHz, providing a more comprehensive and detailed ultra-treble performance. With these improvements, the Monarch MKIII delivers a heightened sense of staging, atmosphere, and overall resolution, elevating your listening experience to new heights. Additionally, the MKIII's mids have been carefully refined to enhance the separation between individual driver ranges, maximising their output while minimising Total Harmonic Distortion (THD).

Headphone-Zone-ThieAudio-Monarch-MKIII

METICULOUSLY TUNED TO PRESENT A HIGHLY BALANCED AND ACCURATE SOUND

At the heart of the Monarch MKIII lies ThieAudio's unwavering dedication to achieving exceptional tonal quality. The MKIII maintains its studio-monitor-like tonal signature, ensuring a clean, natural, and highly detailed sound with a focused sub-bass impact. Retaining its tonal legacy, the MKIII incorporates a genuine 4-way crossover with 9 separate passive components, upholding its commitment to tonal excellence. The IMPACT2 technology further enhances the sub-bass, delivering punchier results, while the mids from 200Hz to 800Hz remain neutrally flat. This characteristic tonality in the mids closely mirrors the precise audio reproduction of studio monitors used in professional recording environments.

Headphone-Zone-ThieAudio-Monarch-MKIII
Headphone-Zone-ThieAudio-Monarch-MKIII
Headphone-Zone-ThieAudio-Monarch-MKIII

BUNDLED WITH A HIGH-QUALITY AND UPGRADED MODULAR CABLE TO GET YOU STARTED

Thieaudio's Monarch MKIII now comes bundled with an enhanced modular cable featuring thicker 22AWG 6N OCC silver-plated and graphene silver-plated composite wires. This upgrade in cable materials adds a touch of clarity and refinement to the sound, surpassing the previous generation of Thieaudio's modular cables. The cable includes three interchangeable plugs with 3.5mm single, 4.4mm balanced, and 2.5mm terminations, ensuring seamless compatibility with various source devices without the need to change cables.

Headphone-Zone-ThieAudio-Monarch-MKIII
Headphone-Zone-ThieAudio-Monarch-MKIII

EXPERTLY CRAFTED AND ERGONOMICALLY DESIGNED WITH 3D-PRINTED MEDICAL-GRADE RESIN

With meticulous attention to detail, the Monarch MKIII showcases a seamless fusion of aesthetics and functionality. Its ergonomic and lightweight design ensures a comfortable fit, allowing for hours of enjoyable listening, making it a perfect companion for audiophiles and music lovers on the move. Crafted individually by dedicated engineers, each unit is a masterpiece. The housing is expertly made from 3D-printed medical-grade resin, guaranteeing both skin safety and long-lasting durability. Moreover, the faceplate of every Monarch MKIII is uniquely decorated and coated, providing a truly personalised and exceptional experience.

Headphone-Zone-ThieAudio-Monarch-MKIII
1 Year Warranty

Don't sweat it, this ThieAudio - Monarch MKIII comes with a 1 Year warranty from ThieAudio that covers manufacturing defects. All products featured on Headphone Zone are backed by an original manufacturer's warranty.

Read more about ThieAudio's warranty in India.

Pioneering Sonic Excellence Since 2019

Established in 2019 as the creative arm of Linsoul Audio, ThieAudio stands as a testament to audio innovation and excellence. With a handpicked team of top-notch engineers, ThieAudio is on a mission to redefine audio experiences for both audiophiles and professionals. The journey began with the groundbreaking ThieAudio Phantom, recognized internationally as a benchmark for planar magnetic headphones. Building on this success, ThieAudio introduced the Voyager and Legacy series, curated under the guidance of master audio engineer Chongjun, positioning them alongside leading international brands.

ThieAudio's Voyager series is tailored for musicians, offering innovative In-Ear Monitors (IEMs) designed to elevate their craft. For audiophiles and music enthusiasts, the Legacy series, featuring gems like ThieAudio Legacy 3, Legacy 4, Legacy 5, and Voyager 14, has garnered widespread acclaim for their meticulous design and exceptional sound quality. With an unwavering commitment to quality standards, ThieAudio consistently delivers thoughtfully crafted IEMs equipped with the latest advancements, ensuring a holistic and superior audio experience.

Explore Collection
Bloom Audio

"Monarch MK3 seems perfectly suited to deliver the wall of deep bass on Lady Gaga’s “Bad Romance;” the combination of rumble and impact feels like it’s slowly crushing your brain – but crushing it with exquisite detail and texture."

Read More



Have a question? Get in touch!

Check out the most common questions our customers ask. Still have questions? Talk to our Headphone Gurus.

Our customer support is available Monday to Saturday: 11am-6pm.Average answer time: 2-3 hours

You may also like