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7Hz x Crinacle Zero: 2 vs KZ EDX ULTRA: 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 3 of 4 measures.

  • 7Hz x Crinacle Zero: 2
  • KZ EDX ULTRA
HearWiki score
83
57
Sound
8.1
5.8
Value
9.8
5.7
Price (USD)
$25
$22

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

7Hz x Crinacle Zero: 2 (2023) against KZ EDX ULTRA (2022). 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: 220231 yr newer
  • EDX ULTRA2022

Specifications

x Crinacle Zero: 2EDX ULTRA
Type
Wired IEMs
Wired IEMs
Price (USD)
$25
$22
HearWiki score
83
57
Released
2023
2022
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
-
Impedance
32 Ω
26 Ω
Active noise cancelling
No
No
Detachable cable
Yes
Yes
Connector
2-pin 0.78 mm
-

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

KZ EDX ULTRA

The KZ EDX Ultra is a budget-friendly wired IEM with a lively, bass-forward V-shaped sound and a comfortable, well-built design that belies its low price. It offers strong value for the money, though its uneven tuning and less refined treble and mids hold it back from competing with pricier options.

  • Pro:Excellent value for the price
  • Pro:Solid build quality and comfortable fit
  • Pro:Punchy, engaging bass response
  • Con:Recessed mids can feel distant
  • Con:Treble can be rough or fatiguing at times
  • Con:Limited resolution and soundstage

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

Compare something else

Swap either side out, or start again from the picker.

New comparison7Hz x Crinacle Zero: 2KZ EDX ULTRA