Cozoy D2 vs KZ AS10 PRO: which should you buy?

On aggregated review scores the Cozoy D2 comes out ahead with a HearWiki score of 81. The full breakdown - sub-scores, specs and what reviewers actually said - is below.

Our pick: Cozoy D2 - Outstanding overall at around $55.

Wired IEMs

Cozoy D2

81Outstanding

$55

Full review data

Wired IEMs

Score breakdown

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

Cozoy D2 leads on 3 of 4 measures.

Cozoy D2
KZ AS10 PRO

HearWiki score

Sound

8.5

6.3

Value

9.0

6.4

Price (USD)

$55

$48

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

The Cozoy D2 is 2 years newer, but it is 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.

D220262 yr newer
AS10 PRO2024

Specifications

D2AS10 PRO

Type: Wired IEMs; Wired IEMs
Price (USD): $55; $48
HearWiki score: 81; 64
Released: 2026; 2024
Availability: Sold new; Still sold new
Driver: 2DD; 10× balanced armature
Driver type: dynamic; balanced-armature
Driver configuration: 2DD; -
Drivers per side: 2; 10
Frequency response: -; 20 Hz - 40 kHz
Impedance: 20 Ω; 26 Ω
Sensitivity: -; 109 dB/mW
Active noise cancelling: -; No
Controls: -; none
Water resistance: -; IPX4
Detachable cable: -; Yes
USB-C: -; No
Connector: 2-pin 0.78 mm; 2-pin 0.78 mm

Specification comparison of Cozoy D2 vs KZ AS10 PRO
Spec	Cozoy D2	KZ AS10 PRO
Type	Wired IEMs	Wired IEMs
Price (USD)	$55	$48
HearWiki score	81 / 100 Outstanding	64 / 100 Good
Released	2026	2024
Audio
Driver	2DD	10× balanced armature
Driver type	dynamic	balanced-armature
Driver configuration	2DD	-
Drivers per side	2	10
Frequency response	-	20 Hz - 40 kHz
Impedance	20 Ω	26 Ω
Sensitivity	-	109 dB/mW
Features
Active noise cancelling	-	No
Controls	-	none
Design
Water resistance	-	IPX4
Detachable cable	-	Yes
USB-C	-	No
Connector	2-pin 0.78 mm	2-pin 0.78 mm

What reviewers said

Cozoy D2

The Cozoy D2 is a budget-friendly wired IEM that pairs a 6 mm beryllium driver with a 10 mm graphene-composite driver for a dual-dynamic setup. It offers a flexible connection via a 2-pin 0.78 mm cable that includes swappable 3.5 mm and 4.4 mm plugs, catering to both standard and balanced sources. With a 20-ohm impedance, it's easy to drive from most devices.

Pro:Dual-driver hybrid design for detailed sound
Pro:Interchangeable 3.5 mm and 4.4 mm plugs
Pro:Low impedance (20 ohms) for easy pairing

Con:No active noise cancellation
Con:Wired only, limiting portability
Con:Budget build may not suit all users

KZ AS10 PRO

This wired in-ear monitor packs ten balanced-armature drivers per side, delivering impressive bass depth, treble detail, and soundstage for its modest price. The shell is on the larger side, so comfort may vary, and the bright treble can be intense for sensitive listeners. Overall, it's a technically strong budget option for those who prioritize resolution and separation.

Pro:Excellent technical performance for the price
Pro:Deep, believable bass for a BA set
Pro:Wide soundstage with good instrument separation

Con:Large shells may not fit all ear shapes
Con:Treble is emphasized and can be fatiguing
Con:No inline controls or microphone

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

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