1
Kaisheng DM7Ti
45 kHz — rank 1 of 5 listed
2
Kaisheng DM7
20 kHz — rank 2 of 5 listed
3
Kaisheng DM7S137
20 kHz — rank 3 of 5 listed
4
Nothing Ear (open)
20 kHz — rank 4 of 5 listed
5
Huawei FreeClip
20 kHz — rank 5 of 5 listed
Best Lists · Spec comparison
| Product DB | Driver | Impedance | Sensitivity | Frequency | Weight | Battery | ANC | Year | Price |
|---|---|---|---|---|---|---|---|---|---|
| Kaisheng DM7Ti | Dynamic | 32 Ω | 113 dB | 4-45000 | — | — | No | 2024 | $1,410 |
| Kaisheng DM7 | Dynamic | 32 Ω | 112 dB | 20-20000 | — | — | No | 2024 | $291 |
| Kaisheng DM7S137 | Dynamic | 137 Ω | 106 dB | 20-20000 | — | — | No | 2026 | $420 |
| Nothing Ear (open) | Dynamic | — | — | 20-20000 | 8.4 g | 8/30 h | No | 2024 | $149 |
| Huawei FreeClip | Dynamic | — | — | 20-20000 | 5.6 g | 8/36 h | No | 2023 | $199 |
Weight↓ Huawei FreeClip · 5.6 g Price↓ Nothing Ear (open) · $149
Headphone Reviews · Why this ranking
Ranking basis: maker-stated frequency-response ceiling; ties broken by lower price.
Ranked by the maker-stated frequency ceiling in kHz. A rated number is not the same as audible extension — it reflects design intent more than hearing.
The list and its numbers
- Kaisheng DM7Ti — 45 kHz
- Kaisheng DM7 — 20 kHz
- Kaisheng DM7S137 — 20 kHz
- Nothing Ear (open) — 20 kHz
- Huawei FreeClip — 20 kHz
Data note: every figure comes from maker-published specs recorded in our database; models that do not publish this spec are excluded from the list.