Open-Ear
Beyerdynamic Amiron Zero
78Great
$183
Full review dataBeyerdynamic Amiron Zero vs Bose Ultra Open Earbuds: which should you buy?
Specs, scores and condensed review verdicts for the Beyerdynamic Amiron Zero vs Bose Ultra Open Earbuds, side by side. Where a product has no HearWiki score yet, not enough reviews have been aggregated to rate it.
Open-Ear
Bose Ultra Open Earbuds
Not yet scored
$299
Full review dataScore breakdown
Each axis is a 0–10 blend of what reviewers scored, not a lab measurement.
Beyerdynamic Amiron Zero
Sound7.5
Battery8.0
Calls7.0
Value8.0
Bose Ultra Open Earbuds
No sub-scores yet - not enough rated reviews.
Specifications
| Spec | Beyerdynamic Amiron Zero | Bose Ultra Open Earbuds |
|---|---|---|
| Type | Open-Ear | Open-Ear |
| Price (USD) | $183 | $299 |
| HearWiki score | 78 / 100 · Great | Not scored |
| Released | 2025 | 2024 |
| Audio | ||
| Driver | dynamic | dynamic |
| Driver size | 12 mm | - |
| Drivers per side | 1 | 2 |
| Frequency response | 20Hz-20kHz | 20Hz-20kHz |
| Wireless | ||
| Bluetooth | 5.4 | Bluetooth multipoint connectivity |
| Bluetooth version | 5.4 | - |
| Codecs | SBC, AAC | SBC, AAC, aptX Adaptive |
| Multipoint pairing | Yes | Yes |
| Wireless range | 15 m | - |
| Battery | ||
| Battery life | 6 h | 7 h |
| Battery incl. case | 20 h | 19.5 h |
| Full charge time | 120 min | 60 min |
| Quick charge | 10 min = 2 h | 10 minute charge provides up to 2 hours of use |
| Wireless charging | No | - |
| Features | ||
| Active noise cancelling | No | - |
| ANC type | none | none |
| Transparency mode | Yes | Yes |
| Companion app | Yes | Yes |
| Custom EQ | - | Yes |
| Wear detection | Yes | Yes |
| Controls | touch | touch |
| Voice assistant | - | voice prompts supported |
| Design | ||
| Weight | 6 g | 6 g |
| Case weight | 50 g | 57 g |
| Water resistance | IP54 | IPX4 |
| USB-C | Yes | Yes |
| Calls | ||
| Microphones | 3 | - |
What reviewers said
Beyerdynamic Amiron Zero
The Beyerdynamic Amiron Zero are lightweight, open-ear wireless earbuds designed for all-day comfort and clear, spacious audio. They offer a solid feature set including Bluetooth 5.4, multipoint, and a combined 20-hour battery life, though their open design means limited noise isolation and lighter bass. With a strong overall performance in its category, they're a compelling choice for those prioritizing awareness and comfort over immersive isolation.
- Pro:Very lightweight (6g) with comfortable open-ear fit
- Pro:Solid 20-hour total battery life with quick charge support
- Pro:Bluetooth 5.4 with multipoint for seamless device switching
- Con:No active noise cancellation and minimal passive isolation
- Con:Bass response is reduced due to open-ear design
- Con:Supports only SBC and AAC codecs, no aptX or LDAC
Bose Ultra Open Earbuds
The Bose Ultra Open Earbuds use a distinctive cuff-style open-ear design to deliver spacious audio while keeping you fully aware of your surroundings. With a comfortable, secure fit and IPX4 splash resistance, they're built for all-day wear and active use, offering around seven hours of playback per charge. Bluetooth multipoint and quick charging add everyday convenience, though they skip noise cancellation entirely.
- Pro:Open-ear design keeps you aware of surroundings
- Pro:Comfortable, secure cuff-style fit
- Pro:IPX4 water resistance for workouts
- Con:No active noise cancellation
- Con:Battery life is modest at 7 hours
- Con:Sound may leak at higher volumes
Summaries are AI-condensed and paraphrased from published reviews and specs - not original hands-on testing. More on our method.
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