ThieAudio Monarch MKIV IEM with neon-inspired faceplates and ergonomic design, featuring a 10-driver tribrid setup for audiophile-grade sound.
ThieAudio Monarch MKIV IEM showcasing its advanced 10-driver tribrid configuration for full-spectrum audio performance in premium in-ear monitors.
Close-up of ThieAudio Monarch MKIV IEM highlighting dual 8mm dynamic drivers in isobaric chamber for deep, responsive sub-bass performance.
ThieAudio Monarch MKIV IEM displayed with carrying case, emphasizing 4-way crossover system for balanced sound and precise driver control.
ThieAudio Monarch MKIV IEM on textured surface, featuring dual sound modes with toggle between studio tuning and bass-boosted RUMBLE mode.
Close-up of ThieAudio Monarch MKIV IEM showing aircraft-grade T6 aluminum shell and hexagonal neon faceplate design for durability and style.
ThieAudio Monarch MKIV IEM in Stellashot and Kaleidoglow designs, offering vibrant neon-inspired aesthetics for a modern audio experience.
Graph comparing ThieAudio Monarch MKIV IEM’s dual tuning modes—STANDARD and RUMBLE—highlighting frequency response differences for custom sound.
8-core silver-plated OFC hybrid cable with modular 3.5mm and 4.4mm terminations included with ThieAudio Monarch MKIV IEM for flexible connectivity.
Complete ThieAudio Monarch MKIV IEM package including ear tips, hybrid cable, carrying case, and accessories for premium unboxing experience.
ThieAudio Monarch MKIV IEM in Kaleidoglow design with hexagonal neon faceplate, part of flagship 10-driver tribrid in-ear monitor series.

ThieAudio

ThieAudio - Monarch MKIV(MK4) 2DD + 6BA + 2EST Tribrid IEM

Sale price₹ 125,035Regular price ₹ 149,999

    Flagship 2 Dynamic, 6 Balanced Armature, 2 Electrostatic Tribrid design

    STANDARD (Neutral) and RUMBLE (Bass-Enhanced) Tuning Modes

    IMPACT2 Isobaric Dual Subwoofer System for Deep & Powerful Bass

    Durable and Lightweight Aircraft-Grade Aluminum Shell

    Modular OFC Silver-Plated Cable with 4.4mm & 3.5mm Plugs

    Available in two distinct elegant faceplate design options

Faceplate
Faceplate: Stellashot
Estimated Delivery within 4 to 6 weeks.

Description

Discover true flagship performance with the THIEAUDIO Monarch MK4, an In-Ear Monitor designed for true audiophiles who demand both accuracy and power. This innovative IEM boasts a 10-Driver Tribrid setup consisting of 2 advanced Dynamic Drivers (in the IMPACT2 Dual Isobaric Subwoofer system), 6 Balanced Armature drivers, and 2 ultra-high frequency Electrostatic Drivers. The result is uncompromising sound with deep yet thunderous bass, transparent and detailed mids, as well as airy and extended highs for a lifelike listening experience. Switch seamlessly between STANDARD mode for a studio-accurate or reference-grade sound, and RUMBLE mode for boosted sub-bass and a more immersive, powerful presentation. The Monarch MK4 features a durable and lightweight shell made from Aircraft-Grade Aluminum and comes with two elegant faceplate options namely “Stellashot” and “Kaleidoglow” to suit your personal style. The modular OFC silver-plated cable supports both 4.4mm balanced and 3.5mm single-ended connections, maximizing compatibility. An expansive soundstage, ergonomic design, and premium accessories make the Monarch MK4 a perfect partner for both professional and passionate music listening.

ADVANCED 10-DRIVER TRIBRID TECHNOLOGY

THIEAUDIO Monarch MK4 features a sophisticated tribrid setup combining 10 drivers for a rich and detailed sound signature. This includes 2 Dynamic Drivers arranged in the patented IMPACT2 isobaric subwoofer system, 6 Balanced Armature Drivers handling mid to high frequencies, and 2 Sonion E50 Electrostatic Drivers focused on ultra-high frequencies up to 40kHz. Additionally, there is one Sonion 28UAP driver contributing to the sound layering. This configuration ensures deep, textured bass, clear mids, and airy, extended treble, offering an immersive listening experience.

IMPACT2 DUAL SUBWOOFER BASS SYSTEM

For the bass performance of Monarch MK4, THIEAUDIO has equipped it with Two 8mm Dynamic Drivers arranged in an Isobaric Chamber, and has branded this advance technology as the IMPACT2 system. This design allows for enhanced bass depth and speed with reduced distortion and controlled pressure. The isobaric configuration delivers thunderous and textured sub-bass with both power and tactility, providing impactful lows without sacrificing clarity or compromising the overall tonal balance.

OPTIMIZED SOUND DISTRIBUTION WITH 4-WAY CROSSOVER

The Monarch MK4 utilizes an advanced 4-way crossover system featuring Nine independent Passive Components and Four separate Sound Tubes. This precise engineering ensures each driver receives the correct frequency range, preventing interference and enabling smooth transitions across lows, mids, highs, and ultra-high frequencies. The crossover design maintains tonal balance and clarity, resulting in a spacious soundstage with accurate imaging and detailed resolution throughout the frequency spectrum.

CUSTOMIZABLE DUAL TUNING SWITCH

This premium IEM is also equipped with an intuitive dual tuning switch that lets users effortlessly toggle between two distinctive sound profiles. STANDARD mode offers a studio/neutral or reference-grade signature with clear mids, natural treble, and tight but controlled bass for precise and transparent listening; while RUMBLE mode engages a +3dB sub-bass boost, enriching the lower frequencies for a fuller, warmer, and more impactful sound. This tool-free switch is designed like a small toggle which enables the users to quickly and easily adapt their audio experience according to their preferences or environment, combining reference-level clarity with the option for thunderous, immersive bass, all within one versatile flagship IEM.

PREMIUM 8 CORE CABLE FOR SUPERIOR AUDIO TRANSMISSION

The THIEAUDIO Monarch MK4 comes equipped with the latest iteration of modular cable system, designed to deliver clean, full, and detailed sound. The cable consists of thick 8 cores combining ultra-pure oxygen-free copper wires and silver-plated OFC wires. This hybrid composition ensures minimized signal loss and improved audio clarity, resulting in a spacious soundstage and refined sonic detail. The modular design supports both 4.4mm balanced and 3.5mm unbalanced plugs, allowing seamless compatibility with a wide range of audio devices.

ELEGANT FACEPLATE OPTIONS AND PREMIUM BUILD

This time THIEAUDIO has offered two striking faceplate designs with Monarch MK4, namely Stellashot and Kaleidoglow; each featuring bold, neon-inspired aesthetics that give the IEM a vibrant and modern which also looks distinct from traditional designs. These unique faceplates enhance the visual impact of this flagship model while pairing perfectly with a durable, lightweight shell crafted from aircraft-grade T6 aluminum alloy. This premium construction ensures both exceptional durability and a luxurious feel, making the Monarch MK4 equally impressive in sound, style, and build quality.

Specifications

Brand Name
ThieAudio
Model Name
Monarch MKIV
Driver Configuration
2x 8mm IMPACT² Dynamic (isobaric subwoofer), 6x Balanced Armature, 2x EST (Sonion E50), 1x Sonion 28UAP
Crossover
4-way Crossover Network, 4 Independent Sound Tubes
Frequency Response
10Hz – 44kHz
Impedance
10/9Ω (±1Ω) @1kHz
Sensitivity
100dB ±1dB @1kHz
Total Harmonic Distortion (THD)
<1% @1kHz
Shell/Build
Aircraft-grade T6 aluminum alloy, CNC-machined
Cable
8-strand hybrid modular cable (ultra-pure OFC & silver-plated OFC wires),
Termination Plugs
4.4mm Balanced & 3.5mm Single-Ended Plugs
Tuning Control
Dual tuning switch: STANDARD (neutral) / RUMBLE (+3dB sub-bass) modes
Faceplate Options
Stellashot and Kaleidoglow
Accessories
3 sets ear tips (S/M/L), cable tie, cleaning cloth, stickers, user manual, premium case

Box Content

    What will you get
  • 3x Sets of Eartips (S/M/L)
  • 1x Premium Modular Cable
  • 1x Cable Tie
  • 1x Cleaning Cloth
  • 1x Premium Carry Case
  • 1x User Manual & After-Sales Service Card
  • 1x Thank You Card
  • 2x ThieAudio Monarch MKIV Stickers

Warranty

1 YEAR WARRANTY

Don't worry, ThieAudio Monarch MKIV comes with a 1 Year warranty against manufacturing defects. We guarantee that every product on Concept Kart is genuine and backed by the Manufacturer's warranty.

Read more about Concept Kart's warranty policy.

Shipping Policy

FREE SHIPPING ON ALL PREPAID ORDERS

We usually ship orders on same day if ordered before 2 pm or within 24 hours if ordered later (except on holidays/sunday, where processing times may be higher) from one of our domestic warehouses based out of Delhi. It normally takes around 1 to 5 business days for delivery. We use premium service partners such as Blue dart, DTDC and Delivery for faster and reliable service. A tracking number will be provided upon shipment.

In very rare cases when order is not received after 10 business days of shipment (extended by number of days when the govt. Restricts movement of goods due to factors such as coronavirus pandemic), please contact us and we will provide you a support.