Why is ATH-AL5NC better than HDR 275?
- Active noise cancellingYes · HDR 275: No
- Battery life75 h vs 50 h+50%
- Highest frequency40,000 Hz vs 20,000 Hz2×
- LDACYes · HDR 275: No
Why is HDR 275 better than ATH-AL5NC?
- Lowest frequency20 Hz vs 6 Hz3.3×
- aptXNo · ATH-AL5NC: Yes
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 | 20 Hz | 6 Hz |
| Highest frequency | 40,000 Hz | 20,000 Hz |
| Impedance | 52 Ω | — |
| Sensitivity | 103 dB | 106 dB |
| Hi-Res Audio | Yes | Yes |
| Adjustable equaliser | Yes | — |
| Noise control | ||
| Active noise cancelling | Yes | No |
| Battery & charging | ||
| Battery life | 75 h | 50 h |
| Battery life with ANC | 50 h | — |
| Charging time | 3.5 h | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 5.4 |
| Bluetooth codecs | LDAC, AAC, SBC | aptX Adaptive, AAC |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | Yes |
| aptX | No | Yes |
| LDAC | Yes | No |
| Multipoint (two devices) | Yes | — |
| USB-C | Yes | — |
| 3.5 mm jack / AUX | Yes | — |
| Design & build | ||
| Weight | 240 g | — |
| Foldable | Yes | — |
| Colours | — | Black |
| Features | ||
| Hands-free calls | Yes | — |
