Open-Ear
1MORE Fit Open Earbuds S50
70Good
$150
Full review data1MORE Fit Open Earbuds S50 vs Beyerdynamic Amiron Zero: which should you buy?
On aggregated review scores the Beyerdynamic Amiron Zero comes out ahead with an HearWiki score of 78. The full breakdown - sub-scores, specs and what reviewers actually said - is below.
Our pick: Beyerdynamic Amiron Zero - Great overall at around $183.
Open-Ear
Beyerdynamic Amiron Zero
78Great
$183
Full review dataScore breakdown
Each axis is a 0–10 blend of what reviewers scored, not a lab measurement.
1MORE Fit Open Earbuds S50
Sound6.5
Battery8.0
Calls6.0
Value6.5
Beyerdynamic Amiron Zero
Sound7.5
Battery8.0
Calls7.0
Value8.0
Specifications
| Spec | 1MORE Fit Open Earbuds S50 | Beyerdynamic Amiron Zero |
|---|---|---|
| Type | Open-Ear | Open-Ear |
| Price (USD) | $150 | $183 |
| HearWiki score | 70 / 100 · Good | 78 / 100 · Great |
| Released | 2024 | 2025 |
| Audio | ||
| Driver | 1MORE PurePower Driver with DLC diaphragm | dynamic |
| Driver size | 13.6 mm | 12 mm |
| Drivers per side | 2 | 1 |
| Frequency response | 20Hz-20kHz | 20Hz-20kHz |
| Impedance | 16 Ω | - |
| Wireless | ||
| Bluetooth | 5.3 | 5.4 |
| Bluetooth version | 5.3 | 5.4 |
| Codecs | SBC, AAC | SBC, AAC |
| Multipoint pairing | Yes | Yes |
| Wireless range | 10 m | 15 m |
| Battery | ||
| Battery life | 11 h | 6 h |
| Battery incl. case | 38 h | 20 h |
| Full charge time | 80 min | 120 min |
| Quick charge | 5 min = 2 h | 10 min = 2 h |
| Wireless charging | No | No |
| Features | ||
| Active noise cancelling | Yes | No |
| ANC type | - | none |
| Transparency mode | - | Yes |
| Companion app | Yes | Yes |
| Custom EQ | Yes | - |
| Wear detection | - | Yes |
| Controls | touch | touch |
| Voice assistant | supported | - |
| Design | ||
| Weight | 10 g | 6 g |
| Case weight | 63 g | 50 g |
| Water resistance | IPX7 | IP54 |
| USB-C | Yes | Yes |
| Model code | 1MORE Fit Open Earbuds S50 | - |
| Calls | ||
| Microphones | 4 | 3 |
| Call noise reduction | ENC AI noise reduction | - |
What reviewers said
1MORE Fit Open Earbuds S50
The 1MORE Fit Open Earbuds S50 are a wireless, open-ear option aimed at active users, offering a comfortable fit and long battery life of up to 38 hours with the charging case. While they deliver balanced sound and solid build quality with IPX7 water resistance, they lack active noise cancellation and multipoint connectivity, and face stiff competition from better-sounding alternatives at a similar price.
- Pro:Long 38-hour total battery life with case
- Pro:Comfortable open-ear design for extended wear
- Pro:IPX7 water resistance suitable for intense workouts
- Con:No active noise cancellation
- Con:Lacks multipoint Bluetooth connection
- Con:Sound quality is good but not class-leading
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
Summaries are AI-condensed and paraphrased from published reviews and specs - not original hands-on testing. More on our method.
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