Open-Ear
1MORE Fit Open Earbuds S70
66Good
$155
Full review data1MORE Fit Open Earbuds S70 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 S70
Sound6.5
Battery8.0
Calls7.0
Value6.5
Beyerdynamic Amiron Zero
Sound7.5
Battery8.0
Calls7.0
Value8.0
Specifications
| Spec | 1MORE Fit Open Earbuds S70 | Beyerdynamic Amiron Zero |
|---|---|---|
| Type | Open-Ear | Open-Ear |
| Price (USD) | $155 | $183 |
| HearWiki score | 66 / 100 · Good | 78 / 100 · Great |
| Released | 2023 | 2025 |
| Audio | ||
| Driver | Dynamic | dynamic |
| Driver size | 14.2 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 | AAC, SBC | SBC, AAC |
| Multipoint pairing | Yes | Yes |
| Latency | 80 ms | - |
| Wireless range | 10 m | 15 m |
| Battery | ||
| Battery life | 12 h | 6 h |
| Battery incl. case | 40 h | 20 h |
| Full charge time | 120 min | 120 min |
| Quick charge | 5 min = 2 h | 10 min = 2 h |
| Wireless charging | No | No |
| Features | ||
| Active noise cancelling | No | No |
| ANC type | none | none |
| Transparency mode | No | Yes |
| Companion app | Yes | Yes |
| Custom EQ | Yes | - |
| Wear detection | - | Yes |
| Controls | touch | touch |
| Voice assistant | supported | - |
| Design | ||
| Weight | 8.7 g | 6 g |
| Case weight | 58 g | 50 g |
| Water resistance | IPX5 | IP54 |
| USB-C | Yes | Yes |
| Calls | ||
| Microphones | 4 | 3 |
| Call noise reduction | ENC | - |
What reviewers said
1MORE Fit Open Earbuds S70
The 1MORE Fit Open Earbuds S70 are an open-ear wireless option that prioritizes comfort and long battery life, letting you stay aware of your surroundings while listening. They offer solid build quality, practical touch controls, and useful features like multipoint connectivity, though their sound signature leans toward lighter bass and may not impress audiophiles. Overall, they are a decent value for those seeking an affordable, endurance-focused open-ear design, but they face stiff competition in the price range.
- Pro:Long battery life of 12 hours per charge and 40 with the case
- Pro:Comfortable open-ear fit that allows ambient awareness
- Pro:IPX5 water resistance for workouts and light rain
- Con:Weak bass and unnatural male vocals in some listening tests
- Con:Initial burnt-plastic odor reported by some users
- Con:Touch controls may be finicky or less responsive
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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