Tanchjim Ola vs Truthear x Crinacle Zero Red: which should you buy?

On aggregated review scores the Truthear x Crinacle Zero Red comes out ahead with a HearWiki score of 82. The full breakdown - sub-scores, specs and what reviewers actually said - is below.

Our pick: Truthear x Crinacle Zero Red - Outstanding overall at around $65.

Wired IEMs

Score breakdown

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

Truthear x Crinacle Zero Red leads on 3 of 4 measures.

Tanchjim Ola
Truthear x Crinacle Zero Red

HearWiki score

Sound

6.8

8.1

Value

5.8

8.8

Price (USD)

$40

$65

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

Truthear x Crinacle Zero Red (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.

Ola2022
x Crinacle Zero Red20231 yr newer

Specifications

Olax Crinacle Zero Red

Type: Wired IEMs; Wired IEMs
Price (USD): $40; $65
HearWiki score: 64; 82
Released: 2022; 2023
Availability: Still sold new; Still sold new
Driver: 1DD; 2DD
Driver type: dynamic; dynamic
Driver configuration: 1DD; 2DD
Driver size: 10 mm; -
Drivers per side: 1; 2
Impedance: 16 Ω; 17.5 Ω
Active noise cancelling: No; -

Specification comparison of Tanchjim Ola vs Truthear x Crinacle Zero Red
Spec	Tanchjim Ola	Truthear x Crinacle Zero Red
Type	Wired IEMs	Wired IEMs
Price (USD)	$40	$65
HearWiki score	64 / 100 Good	82 / 100 Outstanding
Released	2022	2023
Audio
Driver	1DD	2DD
Driver type	dynamic	dynamic
Driver configuration	1DD	2DD
Driver size	10 mm	-
Drivers per side	1	2
Impedance	16 Ω	17.5 Ω
Features
Active noise cancelling	No	-

What reviewers said

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

Truthear x Crinacle Zero Red

This wired in-ear monitor pairs a 10 mm and a 7.8 mm dynamic driver in a dual-driver setup, tuned for a warm, natural sound signature. It’s designed to be comfortable for extended listening, making it a solid pick for those who prefer a relaxed, non-fatiguing presentation. With no ANC, it relies on passive isolation from its fit.

Pro:Warm, natural tuning for long sessions
Pro:Dual dynamic drivers for rich bass and detail
Pro:Comfortable fit for extended wear

Con:No active noise cancellation
Con:Requires a source with enough power (17.5 ohm impedance)
Con:Bulky shell may not suit small ears

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 comparison Tanchjim Ola Truthear x Crinacle Zero Red