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3.8Noise control & calls3.8
Why is Cassette Wireless On-Ear Headphones better than HD660 Pro?
Cassette Wireless On-Ear Headphones has no measurable advantages in this pair.
Why is HD660 Pro better than Cassette Wireless On-Ear Headphones?
- Lowest frequency20 Hz vs 10 Hz2×
- Highest frequency20,000 Hz vs 30,000 Hz+50%
Specifications
Side by side
| Sound | ||
| Fit | On-ear | Over-ear |
| Ear cup design | — | Closed-back |
| Driver type | — | Dynamic |
| Driver size | 40 mm | 40 mm |
| Lowest frequency | 20 Hz | 10 Hz |
| Highest frequency | 20,000 Hz | 30,000 Hz |
| Impedance | 30 Ω | 150 Ω |
| Sensitivity | 126 dB | 96 dB |
| Noise control | ||
| Active noise cancelling | No | No |
| Battery & charging | ||
| Battery life | 22 h | — |
| Charging time | 2 h | — |
| Connectivity | ||
| Wireless | Yes | No |
| Bluetooth version | 5 | — |
| 3.5 mm jack / AUX | Yes | Yes |
| Design & build | ||
| Weight | — | 250 g |
| Foldable | Yes | — |
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