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Hidizs MS2 PRO vs HZSOUND HEART MIRROR: which should you buy?

On aggregated review scores the Hidizs MS2 PRO comes out ahead with a HearWiki score of 79. The full breakdown - sub-scores, specs and what reviewers actually said - is below.

Our pick: Hidizs MS2 PRO - Great overall at around $87.

Score breakdown

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

Hidizs MS2 PRO leads on 3 of 4 measures.

  • Hidizs MS2 PRO
  • HZSOUND HEART MIRROR
HearWiki score
79
63
Sound
8.0
6.9
Value
9.0
6.4
Price (USD)
$87
$49

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 Hidizs MS2 PRO 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.

  • MS2 PRO20255 yr newer
  • HEART MIRROR2020

Specifications

MS2 PROHEART MIRROR
Type
Wired IEMs
Wired IEMs
Price (USD)
$87
$49
HearWiki score
79
63
Released
2025
2020
Availability
Sold new
Discontinued
Driver
1DD + 1BA hybrid
10 mm dynamic
Driver type
hybrid
dynamic
Driver configuration
1DD + 1BA
-
Driver size
10.2 mm
10 mm
Drivers per side
2
-
Frequency response
20 Hz - 40 kHz
-
Impedance
17 Ω
32 Ω
Sensitivity
111 dB/mW
-
Active noise cancelling
No
-
Controls
buttons
-
Weight
10 g
-
Detachable cable
Yes
-
USB-C
No
-
Connector
4.4 mm balanced
-

What reviewers said

Hidizs MS2 PRO

The Hidizs MS2 PRO is a budget-friendly hybrid IEM pairing a 10.2mm dynamic driver with a custom balanced armature for a bass-forward yet technically capable sound. It offers adjustable tuning via included nozzle filters, letting you tweak the response to taste, while its comfortable, well-built shell and detachable cable add everyday practicality. Though engaging and versatile for the price, it has a slightly recessed midrange and can sound bright or sharp in the upper frequencies on certain tracks.

  • Pro:Engaging, bass-forward sound with good impact
  • Pro:Adjustable tuning filters for sound customization
  • Pro:Strong imaging and technical performance for the price
  • Con:Midrange can feel slightly recessed or thin
  • Con:Upper mids and treble may occasionally come across as piercing
  • Con:No wireless or multipoint features, purely wired use

HZSOUND HEART MIRROR

The HZSOUND Heart Mirror is a budget-friendly wired IEM that delivers a neutral-bright sound signature, prioritizing vocal clarity and natural timbre over booming bass. It offers solid build quality and a mature, reference-leaning tuning that appeals to listeners wanting a balanced, monitoring-style experience rather than a V-shaped, fun-oriented response. The main drawback is that achieving an optimal fit and seal may require experimenting with different ear tips. Overall, it stands out as a strong value pick for those who favor clean, articulate sound over bass-heavy presentation.

  • Pro:Clear and articulate vocal reproduction
  • Pro:Natural timbre with a clean, balanced presentation
  • Pro:Excellent value for a reference-style tuning
  • Con:Fit and seal can be finicky, needing tip rolling
  • Con:Not for bass lovers seeking a fun, V-shaped sound
  • Con:Neutral-bright tuning may come off as lean to some listeners

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

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