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7Hz x Crinacle Zero: 2 vs Tanchjim Ola: 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 4 measures.

  • 7Hz x Crinacle Zero: 2
  • Tanchjim Ola
HearWiki score
83
64
Sound
8.1
6.8
Value
9.8
5.8
Price (USD)
$25
$40

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 Tanchjim Ola (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
  • Ola2022

Specifications

x Crinacle Zero: 2Ola
Type
Wired IEMs
Wired IEMs
Price (USD)
$25
$40
HearWiki score
83
64
Released
2023
2022
Availability
Still sold new
Still sold new
Driver
1DD
1DD
Driver type
dynamic
dynamic
Driver configuration
1DD
1DD
Driver size
10 mm
10 mm
Drivers per side
1
1
Impedance
32 Ω
16 Ω
Active noise cancelling
No
No
Detachable cable
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

Tanchjim Ola

The Tanchjim Ola is a wired, single-dynamic-driver IEM that delivers a balanced, technically capable sound for its modest price. It offers strong imaging, clear mids, and good detail retrieval, though its bass is lean and its fit may not suit everyone. This makes it a solid choice for listeners prioritizing clarity and separation over low-end punch.

  • Pro:Clear and articulate mids
  • Pro:Excellent imaging and separation
  • Pro:Good micro-detail for the price
  • Con:Limited sub-bass and bass roll-off
  • Con:Occasional upper-treble peaks
  • Con:Fit can be tricky due to short nozzles

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: 2Tanchjim Ola