7Hz x Crinacle Zero: 2 vs KZ Ling Long: 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.

Wired IEMs

7Hz x Crinacle Zero: 2

83Outstanding

$25

Full review data

Wired IEMs

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 Ling Long

HearWiki score

Sound

8.1

6.4

Value

9.8

6.8

Price (USD)

$25

$24

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

KZ Ling Long (2024) against 7Hz x Crinacle Zero: 2 (2023). 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: 22023
Ling Long20241 yr newer

Specifications

x Crinacle Zero: 2Ling Long

Type: Wired IEMs; Wired IEMs
Price (USD): $25; $24
HearWiki score: 83; 69
Released: 2023; 2024
Availability: Still sold new; Still sold new
Driver: 1DD; 6 mm dynamic
Driver type: dynamic; dynamic
Driver configuration: 1DD; -
Driver size: 10 mm; 6 mm
Drivers per side: 1; 1
Frequency response: -; 20 Hz - 40 kHz
Impedance: 32 Ω; 25 Ω
Sensitivity: -; 103 dB/mW
Active noise cancelling: No; No
Controls: -; none
Detachable cable: Yes; Yes
USB-C: -; No
Connector: 2-pin 0.78 mm; 3.5 mm

Specification comparison of 7Hz x Crinacle Zero: 2 vs KZ Ling Long
Spec	7Hz x Crinacle Zero: 2	KZ Ling Long
Type	Wired IEMs	Wired IEMs
Price (USD)	$25	$24
HearWiki score	83 / 100 Outstanding	69 / 100 Good
Released	2023	2024
Audio
Driver	1DD	6 mm dynamic
Driver type	dynamic	dynamic
Driver configuration	1DD	-
Driver size	10 mm	6 mm
Drivers per side	1	1
Frequency response	-	20 Hz - 40 kHz
Impedance	32 Ω	25 Ω
Sensitivity	-	103 dB/mW
Features
Active noise cancelling	No	No
Controls	-	none
Design
Detachable cable	Yes	Yes
USB-C	-	No
Connector	2-pin 0.78 mm	3.5 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 Ling Long

The KZ Ling Long is a budget-friendly wired IEM with a single 6mm dynamic driver, delivering a warm and engaging sound signature that's easy to enjoy. Its build quality and overall package are praised for the price, though technicalities like detail retrieval and refinement are only average rather than class-leading. With a bullet-style design and detachable cable, it offers solid value for casual listeners.

Pro:Excellent build quality for the price
Pro:Warm, pleasant tuning with good bass
Pro:Compact and attractive bullet-style design

Con:Average technical performance and detail retrieval
Con:Can sound congested on busy tracks
Con:Not a reference or highly refined tuning

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 7Hz x Crinacle Zero: 2 KZ Ling Long