Open-Ear
Beyerdynamic Amiron Zero
78Great
$183
Full review dataBeyerdynamic Amiron Zero vs Haylou PurFree BC01: which should you buy?
Specs, scores and condensed review verdicts for the Beyerdynamic Amiron Zero vs Haylou PurFree BC01, side by side. Where a product has no HearWiki score yet, not enough reviews have been aggregated to rate it.
Open-Ear
Haylou PurFree BC01
Not yet scored
$119
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
Haylou PurFree BC01
No sub-scores yet - not enough rated reviews.
Specifications
| Spec | Beyerdynamic Amiron Zero | Haylou PurFree BC01 |
|---|---|---|
| Type | Open-Ear | Open-Ear |
| Price (USD) | $183 | $119 |
| HearWiki score | 78 / 100 · Great | Not scored |
| Released | 2025 | 2022 |
| Audio | ||
| Driver | dynamic | bone conduction transducers |
| Driver size | 12 mm | 16.2 mm |
| Drivers per side | 1 | 2 |
| Frequency response | 20Hz-20kHz | 20Hz-20kHz |
| Impedance | - | 8.5 Ω |
| Sensitivity | - | 105 dB/mW |
| Wireless | ||
| Bluetooth | 5.4 | 5.2 |
| Bluetooth version | 5.4 | 5.2 |
| Codecs | SBC, AAC | SBC, AAC, aptX |
| Multipoint pairing | Yes | Yes |
| Wireless range | 15 m | - |
| Battery | ||
| Battery life | 6 h | 8 h |
| Battery incl. case | 20 h | - |
| Full charge time | 120 min | 90 min |
| Quick charge | 10 min = 2 h | 10 min = 2 h |
| Wireless charging | No | - |
| Features | ||
| Active noise cancelling | No | No |
| ANC type | none | - |
| Transparency mode | Yes | - |
| Companion app | Yes | - |
| Wear detection | Yes | - |
| Controls | touch | - |
| Design | ||
| Weight | 6 g | 28 g |
| Case weight | 50 g | - |
| Water resistance | IP54 | IP67 |
| USB-C | Yes | Yes |
| Calls | ||
| Microphones | 3 | 2 |
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
Haylou PurFree BC01
The Haylou PurFree BC01 is an open-ear bone conduction headphone that keeps ear canals clear while delivering wireless audio. It pairs dual-mic noise reduction with a Qualcomm 3044 chip for stable Bluetooth 5.2 connections, and its IP67 rating makes it a solid pick for workouts or outdoor use. Battery life reaches 8 hours per charge, with quick charging adding 2 hours from just 10 minutes.
- Pro:Open-ear design protects ear canals
- Pro:IP67 dust and water resistance
- Pro:Bluetooth 5.2 with multipoint support
- Con:No active noise cancellation
- Con:Battery life is modest at 8 hours
- Con:Bone conduction may leak sound at high volume
Summaries are AI-condensed and paraphrased from published reviews and specs - not original hands-on testing. More on our method.
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