7Hz Salnotes Zero vs CCA CRA: which should you buy?

On aggregated review scores the CCA CRA comes out ahead with a HearWiki score of 78. The full breakdown - sub-scores, specs and what reviewers actually said - is below.

Our pick: CCA CRA - Great overall at around $15.

Wired IEMs

Score breakdown

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

Neither pulls ahead overall - they trade wins across the measures.

7Hz Salnotes Zero
CCA CRA

HearWiki score

Sound

8.0

7.8

Value

9.0

8.5

Price (USD)

$20

$15

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 Salnotes Zero (2022) against CCA CRA (2021). 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.

Salnotes Zero20221 yr newer
CRA2021

Specifications

Salnotes ZeroCRA

Type: Wired IEMs; Wired IEMs
Price (USD): $20; $15
HearWiki score: 78; 78
Released: 2022; 2021
Availability: Discontinued; Discontinued
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; 34 Ω
Active noise cancelling: No; No
Weight: 5.8 g; -
Detachable cable: Yes; Yes
Connector: 2-pin 0.78 mm; 2-pin 0.78 mm

Specification comparison of 7Hz Salnotes Zero vs CCA CRA
Spec	7Hz Salnotes Zero	CCA CRA
Type	Wired IEMs	Wired IEMs
Price (USD)	$20	$15
HearWiki score	78 / 100 Great	78 / 100 Great
Released	2022	2021
Audio
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	34 Ω
Features
Active noise cancelling	No	No
Design
Weight	5.8 g	-
Detachable cable	Yes	Yes
Connector	2-pin 0.78 mm	2-pin 0.78 mm

What reviewers said

7Hz Salnotes Zero

The 7Hz Salnotes Zero is a budget-friendly wired IEM that delivers a remarkably balanced and detailed sound for its price. With a lightweight build, comfortable fit, and easy-to-drive dynamic driver, it's an excellent entry-level choice for those seeking a neutral-leaning tuning without breaking the bank. While it lacks wireless features and water resistance, its audio performance punches well above its cost.

Pro:Excellent neutral-leaning tuning with clean detail
Pro:Very affordable and outstanding value for the price
Pro:Lightweight and comfortable for extended listening

Con:No wireless or Bluetooth functionality
Con:No official water-resistance rating
Con:Build feels basic compared to pricier options

CCA CRA

The CCA CRA is a wired, single-dynamic-driver IEM that punches well above its modest price tag, delivering a lively and engaging sound with notably well-defined mids and controlled bass. While its forward treble may not suit everyone, its overall tuning, comfort, and build make it a standout choice for budget-conscious listeners seeking impressive performance.

Pro:Excellent value for the price
Pro:Well-controlled and punchy bass
Pro:Clear and detailed mids

Con:Treble can be overly bright or sibilant
Con:Not ideal for bass-heavy music preferences
Con:Lacks accessories or extra tips in the box

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 Salnotes Zero CCA CRA