Thieaudio Monarch MKII
Best in-ear monitor for audiophiles seeking professional-grade clarity and detail.
The Thieaudio Monarch MKII represents a significant evolution in in-ear monitor technology, building upon the success of its predecessor. This "Tribrid King" features a sophisticated driver configuration, including a 10mm dynamic driver with a composite diaphragm, Sonion and Knowles balanced armatures, and Sonion electrostatic drivers. It's meticulously retuned for a more balanced sound profile, offering enhanced technical performance and a refined listening experience. The Monarch MKII is designed for both professional monitoring and discerning audiophiles seeking exceptional clarity, detail, and a spacious soundstage. It comes with a premium silver-plated OCC Litz copper cable featuring a modular "Smart Switch" for 2.5mm, 3.5mm, and 4.4mm terminations.
$1099.00
Owner Satisfaction
4.7
/ 5
Category Rank
74
/ 6142
#74 in Headphones
Price vs Category Average
+87%
Above average
Model
Monarch MKII
/ Monarch MKII
Who it's for
- Audiophiles seeking a balanced and refined reference sound signature
- Listeners wanting immersive, analytical clarity and precise spatial imaging
- Users prioritizing premium build quality and long-term wearing comfort
Who should skip it
- Listeners with smaller ears struggling with bulky shell designs
- Casual listeners restricted by a modest audio equipment budget
- Users without dedicated high-fidelity amplification or quality DAC hardware
Performance breakdown
Treble Extension
Electrostatic drivers deliver an airy, crystalline top end with remarkable detail.
Sub-Bass Impact
The dynamic driver provides deep, authoritative rumble without muddying the mids.
Soundstage Width
Spacious imaging creates a wide, immersive environment for complex musical arrangements.
Midrange Clarity
Balanced armatures ensure vocals and instruments remain distinct and surgically precise.
Cable Versatility
Modular plug system adapts effortlessly to any professional or consumer source.
Ergonomic Comfort
Large nozzle design requires careful tip selection for long-term listening sessions.
Key Specs
Model
Monarch MKII
Drivers
10mm Dynamic Driver, Sonion / Knowless Balanced Armature Drivers, Sonion Electrostatic Drivers
Connector
0.78mm 2PIN
Cable
26AWG OCC silver-plated cable with fabric coating
Cable Length
1.2 meters
Plug Type
Smart-switch (2.5mm, 3.5mm, 4.4mm)
Impedance
36 ohm
Sensitivity
108db
Features
- Advanced Tribrid driver system (1DD + 6BA + 2EST)
- Updated 10mm composite diaphragm dynamic driver for enhanced responsiveness
- Sonion and Knowles balanced armature drivers for precise mids
- Sonion electrostatic drivers for extended, detailed treble
- Meticulously retuned for a balanced and professional sound profile
- Premium 26AWG OCC silver-plated Litz copper cable
- Proprietary "Smart Switch" modular plug system (2.5mm, 3.5mm, 4.4mm)
What customers say
Customers consistently laud the Thieaudio Monarch MKII for its exceptional sound quality and remarkable technical performance. Reviewers frequently highlight its balanced yet engaging sound signature, offering impressive detail retrieval and a spacious soundstage. Many consider it a benchmark in its price segment, delivering a premium listening experience that rivals more expensive offerings. This strong performance underpins a perception of outstanding quality and significant value for money.
Know before you buy
The Tribrid system combines three different driver technologies to cover the entire frequency spectrum. The dynamic driver handles deep, responsive bass, the balanced armatures provide precise mids, and the electrostatic drivers ensure the treble is extended and detailed without sounding harsh.
The included cable features a swappable plug design at the termination point. It comes with interchangeable 2.5mm, 3.5mm, and 4.4mm connectors, allowing you to easily switch between different audio sources without needing to buy separate cables.
Yes, the Monarch MKII is tuned for a balanced and professional sound profile. Its technical clarity and spacious soundstage make it a capable tool for critical listening and monitoring tasks.
With an impedance of 36 ohms and a sensitivity of 108dB, the Monarch MKII is relatively efficient. While they can be driven by most portable devices, a high-quality DAC or amplifier will help you get the most out of their technical performance.
The nozzle has a stem diameter of 5.4mm and a lip diameter of 6mm. You should look for ear tips with a core size that accommodates these dimensions to ensure a secure fit and proper acoustic seal.
The MKII has been meticulously retuned to offer a more balanced sound profile compared to the original. It focuses on enhancing technical performance and refining the overall frequency response for a more cohesive listening experience.
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$1099