Why is ATH-HL7BT better than M-1?
- Lowest frequency5 Hz vs 20 Hz4×
- Charging time1.5 h vs 4 h2.7×
- Highest frequency40,000 Hz vs 20,000 Hz2×
Why is M-1 better than ATH-HL7BT?
M-1 has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Fit | — | On-ear |
| Ear cup design | Open-back | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 53 mm | — |
| Lowest frequency | 5 Hz | 20 Hz |
| Highest frequency | 40,000 Hz | 20,000 Hz |
| Impedance | 48 Ω | 32 Ω |
| Sensitivity | 100 dB | 100 dB |
| Hi-Res Audio | Yes | — |
| Adjustable equaliser | Yes | — |
| Noise control | ||
| Active noise cancelling | — | No |
| Battery & charging | ||
| Battery life | 20 h | — |
| Charging time | 1.5 h | 4 h |
| Connectivity | ||
| Wireless | Yes | No |
| Bluetooth version | 5 | — |
| Bluetooth codecs | LDAC, AAC, SBC | — |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | — |
| aptX | No | — |
| LDAC | Yes | — |
| Multipoint (two devices) | Yes | — |
| USB-C | Yes | — |
| 3.5 mm jack / AUX | Yes | Yes |
| Design & build | ||
| Weight | 220 g | — |
| Foldable | — | Yes |
| Colours | — | Black |
| Features | ||
| Hands-free calls | Yes | — |









