1MORE E1001 vs CCA Duo: which should you buy?

On aggregated review scores the 1MORE E1001 comes out ahead with a HearWiki score of 80. The full breakdown - sub-scores, specs and what reviewers actually said - is below.

Our pick: 1MORE E1001 - Great overall at around $52.

Wired IEMs

Score breakdown

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

1MORE E1001 leads on 4 of 5 measures.

1MORE E1001
CCA Duo

HearWiki score

Sound

8.5

7.0

Calls

6.0

Value

8.0

7.5

Price (USD)

$52

$30

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 CCA Duo is 5 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. For 5 years between them, that is a thin return - treat this as a restyle rather than a new platform.

E10012018
Duo20235 yr newer

Specifications

E1001Duo

Type: Wired IEMs; Wired IEMs
Price (USD): $52; $30
HearWiki score: 80; 66
Released: 2018; 2023
Availability: Discontinued; Discontinued
Driver: 1DD + 2BA hybrid; 2DD
Driver type: hybrid; dynamic
Driver configuration: 1DD + 2BA; 2DD
Driver size: 16 mm; 7 mm
Drivers per side: 3; 2
Frequency response: 20 Hz - 40 kHz; -
Impedance: 32 Ω; 18 Ω
Sensitivity: 99 dB/mW; -
Active noise cancelling: No; -
Controls: buttons; -
Weight: 18 g; -
Water resistance: none; -
USB-C: No; -
Microphones: 1; -

Specification comparison of 1MORE E1001 vs CCA Duo
Spec	1MORE E1001	CCA Duo
Type	Wired IEMs	Wired IEMs
Price (USD)	$52	$30
HearWiki score	80 / 100 Great	66 / 100 Good
Released	2018	2023
Audio
Driver	1DD + 2BA hybrid	2DD
Driver type	hybrid	dynamic
Driver configuration	1DD + 2BA	2DD
Driver size	16 mm	7 mm
Drivers per side	3	2
Frequency response	20 Hz - 40 kHz	-
Impedance	32 Ω	18 Ω
Sensitivity	99 dB/mW	-
Features
Active noise cancelling	No	-
Controls	buttons	-
Design
Weight	18 g	-
Water resistance	none	-
USB-C	No	-
Calls
Microphones	1	-

What reviewers said

1MORE E1001

The 1MORE E1001 is a wired hybrid in-ear monitor that pairs a 16mm dynamic driver with two balanced armatures to deliver a rich, detailed sound signature at a budget-friendly price. Its all-metal build, comfortable fit, and generous accessory package make it a compelling pick for listeners seeking premium features without the premium cost. While its tuning is generally balanced and engaging, it does have some minor limitations in soundstage width and cable handling.

Pro:Excellent value for a triple-driver hybrid design
Pro:Solid all-metal construction with a premium feel
Pro:Comfortable, secure fit for extended listening

Con:Cable is prone to noticeable microphonics
Con:Soundstage feels somewhat narrow and intimate
Con:Instrument separation is only average for the price

CCA Duo

The CCA Duo is a budget-friendly wired earphone that uses two 7mm dynamic drivers housed in a carefully engineered 3D-printed chamber. It aims to deliver punchy low-end, transparent vocals, and crisp treble without breaking the bank.

Pro:Strong bass impact for the price
Pro:Clear and articulate midrange
Pro:Detailed high-frequency response

Con:No noise isolation features
Con:Requires a wired source (no Bluetooth)
Con:May need a good fit for optimal seal

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 1MORE E1001 CCA Duo