Over-Ear
HiFiMAN Jade II
85Outstanding
$690
Full review dataHiFiMAN Jade II vs KEF Mu7: which should you buy?
On aggregated review scores the HiFiMAN Jade II comes out ahead with an HearWiki score of 85. The full breakdown - sub-scores, specs and what reviewers actually said - is below.
Our pick: HiFiMAN Jade II - Outstanding overall at around $690.
Over-Ear
KEF Mu7
72Good
$399
Full review dataScore breakdown
Each axis is a 0–10 blend of what reviewers scored, not a lab measurement.
HiFiMAN Jade II
Sound9.0
Value7.0
KEF Mu7
Sound7.0
Noise cancelling6.0
Battery8.0
Calls5.0
Value6.0
Specifications
| Spec | HiFiMAN Jade II | KEF Mu7 |
|---|---|---|
| Type | Over-Ear | Over-Ear |
| Price (USD) | $690 | $399 |
| HearWiki score | 85 / 100 · Outstanding | 72 / 100 · Good |
| Released | 2019 | 2022 |
| Audio | ||
| Driver | Electrostatic | 40mm full-range dynamic |
| Driver size | - | 40 mm |
| Drivers per side | 1 | 2 |
| Frequency response | 7Hz-90kHz | 20Hz-20kHz |
| Sound signature | Bass-rolled neutral | - |
| Impedance | - | 16 Ω |
| Sensitivity | - | 118.5 dB/mW |
| Wireless | ||
| Bluetooth | - | 5.1 |
| Bluetooth version | - | 5.1 |
| Codecs | - | SBC, AAC, aptX, aptX HD |
| Multipoint pairing | - | Yes |
| Battery | ||
| Battery life (ANC on) | - | 40 h |
| Quick charge | - | 15 min = 8 h |
| Wireless charging | - | No |
| Features | ||
| Active noise cancelling | - | Yes |
| ANC type | - | adaptive |
| Transparency mode | - | No |
| Companion app | - | No |
| Custom EQ | - | No |
| Wear detection | - | No |
| Controls | - | buttons |
| Voice assistant | - | yes |
| Design | ||
| Weight | 365 g | 309 g |
| Water resistance | - | none |
| USB-C | - | Yes |
| Calls | ||
| Microphones | - | 1 |
| Call noise reduction | - | cVc |
What reviewers said
HiFiMAN Jade II
The HiFiMAN Jade II is an over-ear electrostatic headphone that delivers a precise, airy sound with a lean bass response and excellent technical performance. Its ultra-wide frequency range and lightweight build make it a compelling option for listeners who prioritize clarity and detail over bass weight, though it requires a dedicated amplifier setup.
- Pro:Exceptional clarity and detail retrieval
- Pro:Very lightweight for an electrostatic model
- Pro:Wide, airy soundstage with fast transients
- Con:Bass is noticeably rolled off, lacking impact
- Con:Requires a specialized electrostatic amp, adding cost
- Con:Fit and comfort may vary due to thin earpads
KEF Mu7
The KEF Mu7 offers a polished, hi-fi-leaning soundstage with robust wireless features like adaptive ANC, multipoint Bluetooth 5.1, and broad codec support, plus a strong 40-hour battery with quick charging. However, its performance can feel uninspired and less dynamic than top rivals, and the minimal control scheme and lack of app or EQ options limit its flexibility.
- Pro:Detailed, expansive sound signature
- Pro:Long 40-hour battery with fast top-up
- Pro:Wide codec support including aptX HD
- Con:Sound can lack drive and excitement
- Con:ANC hiss may be noticeable in quiet moments
- Con:No custom EQ or companion app
Summaries are AI-condensed and paraphrased from published reviews and specs - not original hands-on testing. More on our method.
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