Hidizs MM2 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 4 of 4 measures.

Hidizs MM2
Truthear x Crinacle Zero Red

HearWiki score

Sound

6.5

8.1

Value

6.1

8.8

Price (USD)

$81

$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 Hidizs MM2 (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.

MM22022
x Crinacle Zero Red20231 yr newer

Specifications

MM2x Crinacle Zero Red

Type: Wired IEMs; Wired IEMs
Price (USD): $81; $65
HearWiki score: 57; 82
Released: 2022; 2023
Availability: Discontinued; Still sold new
Driver: 2-driver hybrid; 2DD
Driver type: hybrid; dynamic
Driver configuration: -; 2DD
Driver size: 10.2 mm; -
Drivers per side: 2; 2
Frequency response: 20 Hz - 40 kHz; -
Sound signature: v-shaped; -
Impedance: 18 Ω; 17.5 Ω
Sensitivity: 104 dB/mW; -
Active noise cancelling: No; -
Controls: none; -
Weight: 10 g; -
Connector: 3.5 mm; -

Specification comparison of Hidizs MM2 vs Truthear x Crinacle Zero Red
Spec	Hidizs MM2	Truthear x Crinacle Zero Red
Type	Wired IEMs	Wired IEMs
Price (USD)	$81	$65
HearWiki score	57 / 100 Average	82 / 100 Outstanding
Released	2022	2023
Audio
Driver	2-driver hybrid	2DD
Driver type	hybrid	dynamic
Driver configuration	-	2DD
Driver size	10.2 mm	-
Drivers per side	2	2
Frequency response	20 Hz - 40 kHz	-
Sound signature	v-shaped	-
Impedance	18 Ω	17.5 Ω
Sensitivity	104 dB/mW	-
Features
Active noise cancelling	No	-
Controls	none	-
Design
Weight	10 g	-
Connector	3.5 mm	-

What reviewers said

Hidizs MM2

The Hidizs MM2 is a budget-friendly hybrid in-ear monitor that pairs a 10.2mm dynamic driver with a balanced armature for a punchy, V-shaped sound. Its lightweight build and comfortable fit make it easy to wear, while the strong bass response and clear mids add to its appeal. However, its tuning may not suit everyone, and the lack of controls means you'll rely on your source device for adjustments.

Pro:Strong, impactful bass with good extension
Pro:Lightweight and comfortable for long listening sessions
Pro:Solid build quality for the price

Con:V-shaped tuning may not appeal to neutral listeners
Con:No inline controls or microphone
Con:Requires a decent source to shine due to low impedance

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.

Compare something else

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

New comparison Hidizs MM2 Truthear x Crinacle Zero Red