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7Hz x Crinacle Zero: 2 vs Hidizs ST2 PRO Nebula 3.5mm Special Edition: which should you buy?

On aggregated review scores the 7Hz x Crinacle Zero: 2 comes out ahead with a HearWiki score of 83. The full breakdown - sub-scores, specs and what reviewers actually said - is below.

Our pick: 7Hz x Crinacle Zero: 2 - Outstanding overall at around $25.

Score breakdown

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

7Hz x Crinacle Zero: 2 leads on 4 of 5 measures.

  • 7Hz x Crinacle Zero: 2
  • Hidizs ST2 PRO Nebula 3.5mm Special Edition
HearWiki score
83
70
Sound
8.1
6.8
Calls
-
6.0
Value
9.8
8.4
Price (USD)
$25
$33

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

Hidizs ST2 PRO Nebula 3.5mm Special Edition (2024) against 7Hz x Crinacle Zero: 2 (2023). These are 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.

  • x Crinacle Zero: 22023
  • ST2 PRO Nebula 3.5mm Special Edition20241 yr newer

Specifications

x Crinacle Zero: 2ST2 PRO Nebula 3.5mm Special Edition
Type
Wired IEMs
Wired IEMs
Price (USD)
$25
$33
HearWiki score
83
70
Released
2023
2024
Availability
Still sold new
Still sold new
Driver
1DD
10 mm dynamic
Driver type
dynamic
dynamic
Driver configuration
1DD
-
Driver size
10 mm
10 mm
Drivers per side
1
1
Frequency response
-
20 Hz - 40 kHz
Impedance
32 Ω
32 Ω
Sensitivity
-
108 dB/mW
Active noise cancelling
No
No
Controls
-
none
Weight
-
7 g
Water resistance
-
none
Foldable
-
No
Detachable cable
Yes
Yes
USB-C
-
No
Connector
2-pin 0.78 mm
3.5 mm
Microphones
-
1

What reviewers said

7Hz x Crinacle Zero: 2

The 7Hz x Crinacle Zero: 2 is a budget-friendly wired IEM that delivers a warm, fun sound signature with excellent tuning for its price. It's a highly recommended value pick that balances musicality with solid everyday performance, making it a worthy successor in the affordable audio space.

  • Pro:Excellent price-to-performance ratio
  • Pro:Warm, enjoyable tuning
  • Pro:Detachable 0.78 mm 2-pin cable
  • Con:No active noise cancellation
  • Con:Not a technical showcase
  • Con:Limited to wired use

Hidizs ST2 PRO Nebula 3.5mm Special Edition

The Hidizs ST2 PRO Nebula is a budget-friendly single-dynamic IEM with a warm, bass-forward character that delivers a punchy and engaging listen. It offers a comfortable fit and a detachable cable, making it a solid pick for those seeking a lively sound on a tight budget, though it lacks isolation and can be sensitive to source volume. Its compact 7g build and high sensitivity make it easy to drive from any device with a 3.5mm jack.

  • Pro:Punchy, powerful bass with good rumble
  • Pro:Comfortable and lightweight fit
  • Pro:Detachable cable adds versatility
  • Con:Treble can become fatiguing on some tracks
  • Con:Vocals are slightly recessed and lack detail
  • Con:Weak passive isolation

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

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New comparison7Hz x Crinacle Zero: 2Hidizs ST2 PRO Nebula 3.5mm Special Edition