Wired IEMs
Hisenior Mega5EST
84Outstanding
$650
Full review dataHisenior Mega5EST vs Sony IER-M9: which should you buy?
On aggregated review scores the Hisenior Mega5EST comes out ahead with a HearWiki score of 84. The full breakdown - sub-scores, specs and what reviewers actually said - is below.
Our pick: Hisenior Mega5EST - Outstanding overall at around $649.
Wired IEMs
Sony IER-M9
67Good
$970
Full review dataScore 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
- Sony IER-M9
HearWiki score
84
67
Sound
9.1
8.7
Value
8.3
7.4
Price (USD)
$650
$970
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 5 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. For 5 years between them, that is a thin return - treat this as a restyle rather than a new platform.
- Mega5EST20235 yr newer
- IER-M92018
Specifications
Mega5ESTIER-M9
- Type
- Wired IEMs
- Wired IEMs
- Price (USD)
- $650
- $970
- HearWiki score
- 84
- 67
- Released
- 2023
- 2018
- Availability
- Still sold new
- Discontinued
- Driver
- 1DD + 2BA + 2EST tribrid
- 5BA
- Driver type
- tribrid
- balanced-armature
- Driver configuration
- 1DD + 2BA + 2EST
- 5BA
- Driver size
- 10 mm
- -
- Drivers per side
- 5
- 5
- Impedance
- 25 Ω
- 20 Ω
- Sensitivity
- -
- 103 dB/mW
- Weight
- 6 g
- 11 g
- Detachable cable
- -
- Yes
- Connector
- 2-pin 0.78 mm
- -
What reviewers said
Hisenior Mega5EST
The Hisenior Mega5EST is a premium wired tribrid IEM that pairs a dynamic driver, dual balanced armatures, and dual electrostatic drivers for a cohesive, engaging sound. Its tuning leans toward musical enjoyment rather than clinical analysis, wrapped in a lightweight, well-built shell with a generous accessory set. The overall presentation is balanced and easy to listen to, making it a versatile choice for those seeking high-end performance without fatigue.
- Pro:Engaging, pleasure-oriented tuning that remains balanced and cohesive
- Pro:Premium build quality with a lightweight, comfortable fit
- Pro:Includes a robust accessory set and quality cable
- Con:Shell color may not perfectly match the faceplates aesthetically
- Con:Tuning favors broad appeal over extreme technical precision
- Con:No active noise cancellation, limiting isolation to passive means
Sony IER-M9
The Sony IER-M9 is a premium five-balanced-armature wired IEM that delivers a refined, reference-style sound with a warm and coherent character. It combines strong technical detail with a mature, balanced tuning that works well across genres, appealing to both monitoring professionals and casual listeners seeking a polished, realistic presentation. Its lightweight build and detachable cable add to its practical appeal at a high-end price point.
- Pro:Detailed and resolving five-driver balanced-armature design
- Pro:Warm, coherent, and well-balanced tuning with strong midrange
- Pro:Lightweight 11g build with detachable cable
- Con:High price around $973
- Con:No active noise cancellation
- Con:Requires a capable source due to 20-ohm impedance
Summaries are AI-condensed and paraphrased from published reviews and specs - not original hands-on testing. More on our method.
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