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Hisenior Mega5EST vs THIEAUDIO MONARCH MKII: which should you buy?

On aggregated review scores the Hisenior Mega5EST comes out ahead with a HearWiki score of 80. The full breakdown - sub-scores, specs and what reviewers actually said - is below.

Our pick: Hisenior Mega5EST - Outstanding overall at around $649.

Score breakdown

Each axis is a 0–10 blend of what reviewers scored, not a lab measurement.

Hisenior Mega5EST leads on 4 of 4 measures.

  • Hisenior Mega5EST
  • THIEAUDIO MONARCH MKII
HearWiki score
80
74
Sound
9.1
9.0
Value
8.3
6.4
Price (USD)
$650
$1,000

Generation & platform

The scores rank quality. This is the other question: is the newer one actually newer technology, or the same platform in a new shell?

Same generation

The Hisenior Mega5EST is 2 years newer, but it is the same generation of hardware: nothing in the radio, the codecs or the noise cancelling separates them. Nothing separates them on convenience features either, so the choice comes down to tuning and price.

  • Mega5EST20232 yr newer
  • MONARCH MKII2021

Specifications

Mega5ESTMONARCH MKII
Type
Wired IEMs
Wired IEMs
Price (USD)
$650
$1,000
HearWiki score
80
74
Released
2023
2021
Availability
Discontinued
Discontinued
Driver
1DD + 2BA + 2EST tribrid
tribrid
Driver type
tribrid
tribrid
Driver configuration
1DD + 2BA + 2EST
-
Driver size
10 mm
10 mm
Drivers per side
5
-
Impedance
25 Ω
36 Ω
Weight
6 g
-
Connector
2-pin 0.78 mm
2-pin 0.78 mm

What reviewers said

Hisenior Mega5EST

The Hisenior Mega5EST is a tribrid in-ear monitor that blends a dynamic driver, dual balanced armatures, and dual electrostatic drivers into a smooth, enjoyable tuning. It prioritizes a cohesive and musical listen over clinical precision, wrapped in a premium build with a generous accessory kit. The main letdown is cosmetic, with the shell color not quite matching the faceplates, though performance-wise it's a strong all-rounder for its price.

  • Pro:Enjoyable, well-balanced tuning with broad appeal
  • Pro:High-quality construction and included accessories
  • Pro:Cohesive sound across drivers without harshness
  • Con:Shell color doesn't match the faceplates aesthetically
  • Con:Not aimed at listeners wanting extreme technical detail
  • Con:Lacks noise cancellation features

THIEAUDIO MONARCH MKII

This in-ear monitor uses a tri-hybrid driver setup, blending a 10 mm dynamic driver with balanced-armature and electrostatic units for a detailed, layered sound. Aimed at critical listeners, it delivers a polished, high-resolution performance that suits both audiophile enjoyment and studio-style monitoring. Its wired, 2-pin connection keeps things straightforward for those who already own quality cables and sources.

  • Pro:Layered, high-resolution tuning across the frequency range
  • Pro:Tribrid driver design offers a cohesive blend of dynamics and detail
  • Pro:Comfortable fit with standard 2-pin connector for easy cable swapping
  • Con:Requires a quality source and amplifier to shine fully
  • Con:No noise isolation features, so external sounds can interfere
  • Con:Bulky shell may not suit smaller ears

Summaries are AI-condensed and paraphrased from published reviews and specs - not original hands-on testing. More on our method.

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