7Hz Legato vs Kiwi Ears Aether: which should you buy?

On aggregated review scores the Kiwi Ears Aether comes out ahead with a HearWiki score of 82. The full breakdown - sub-scores, specs and what reviewers actually said - is below.

Our pick: Kiwi Ears Aether - Great overall at around $170.

Wired IEMs

Score breakdown

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

Kiwi Ears Aether leads on 3 of 4 measures.

7Hz Legato
Kiwi Ears Aether

HearWiki score

Sound

7.5

8.5

Value

7.0

8.0

Price (USD)

$110

$170

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 Kiwi Ears Aether 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.

Legato2023
Aether20252 yr newer

Specifications

LegatoAether

Type: Wired IEMs; Wired IEMs
Price (USD): $110; $170
HearWiki score: 71; 82
Released: 2023; 2025
Availability: Discontinued; Sold new
Driver: 2DD; 1 planar
Driver type: dynamic; planar
Driver configuration: 2DD; 1 planar
Driver size: 10 mm; 15.3 mm
Drivers per side: 2; 1
Impedance: 26 Ω; 14 Ω
Sensitivity: -; 105 dB/mW
Active noise cancelling: No; No
Detachable cable: Yes; Yes
Connector: 2-pin 0.78 mm; 2-pin 0.78 mm

Specification comparison of 7Hz Legato vs Kiwi Ears Aether
Spec	7Hz Legato	Kiwi Ears Aether
Type	Wired IEMs	Wired IEMs
Price (USD)	$110	$170
HearWiki score	71 / 100 Good	82 / 100 Great
Released	2023	2025
Audio
Driver	2DD	1 planar
Driver type	dynamic	planar
Driver configuration	2DD	1 planar
Driver size	10 mm	15.3 mm
Drivers per side	2	1
Impedance	26 Ω	14 Ω
Sensitivity	-	105 dB/mW
Features
Active noise cancelling	No	No
Design
Detachable cable	Yes	Yes
Connector	2-pin 0.78 mm	2-pin 0.78 mm

What reviewers said

7Hz Legato

The 7Hz Legato is a budget-friendly dual-dynamic-driver IEM that leans heavily into a warm, bass-forward sound signature, making it a fun and engaging listen rather than a neutral or analytical one. It offers a spacious stage and solid build for its price, but its pronounced low end and smoothed-over treble mean it prioritizes musicality over technical precision, which may not suit listeners seeking ultimate clarity or realism.

Pro:Powerful, punchy bass that adds weight to tracks
Pro:Spacious soundstage for an affordable IEM
Pro:Solid build quality with detachable 2-pin cable

Con:Bass can overwhelm midrange clarity and detail
Con:Treble is rolled off, reducing air and sparkle
Con:Not ideal for neutral or reference-style listening

Kiwi Ears Aether

The Kiwi Ears Aether is a single 15.3mm planar driver IEM that delivers a punchy, well-extended bass response and a smooth, non-fatiguing treble, all wrapped in a premium, comfortable shell. Its tuning leans toward a fun yet mature presentation with precise imaging and a wide soundstage, making it a strong contender in the sub-$200 planar market. While its large housing and stock cable pose minor drawbacks, the overall sonic performance and build quality offer excellent value for wired audio enthusiasts.

Pro:Strong, impactful bass with good depth
Pro:Smooth and refined treble without harshness
Pro:Excellent imaging and spacious soundstage

Con:Recessed lower mids may lack warmth for some
Con:Large shell size can be problematic for smaller ears
Con:Stock cable feels below par for the price

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 Legato Kiwi Ears Aether