Why is W830NB better than M-298?
- Hi-res codec (LDAC / aptX HD / LHDC)Yes · M-298: No
- Highest frequency40,000 Hz vs 20,000 Hz2×
- LDACYes · M-298: No
- Charging time1.5 h vs 2 h+33%
Why is M-298 better than W830NB?
- Battery life54 h vs 66 h+22%
- Weight267 g vs 240 g+11%
Specifications
Side by side
| Sound | ||
| Fit | On-ear | Over-ear |
| Ear cup design | Closed-back | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 40 mm | 40 mm |
| Lowest frequency | 20 Hz | 20 Hz |
| Highest frequency | 40,000 Hz | 20,000 Hz |
| Impedance | — | 32 Ω |
| Sensitivity | 91 dB | 107 dB |
| Spatial / 3D audio | Yes | — |
| Hi-Res Audio | Yes | — |
| Adjustable equaliser | Yes | — |
| Noise control | ||
| Active noise cancelling | Yes | Yes |
| Transparency / ambient mode | Yes | — |
| Noise reduction for calls | Yes | — |
| Battery & charging | ||
| Battery life | 54 h | 66 h |
| Battery life with ANC | 54 h | — |
| Charging time | 1.5 h | 2 h |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.4 | 5.4 |
| Bluetooth codecs | LDAC, AAC, SBC | AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | No |
| aptX | No | No |
| LDAC | Yes | No |
| Multipoint (two devices) | Yes | — |
| USB-C | Yes | — |
| 3.5 mm jack / AUX | Yes | Yes |
| Smart & streaming | ||
| Voice assistant | — | Google Assistant, Siri |
| Design & build | ||
| Weight | 267 g | 240 g |
| Foldable | Yes | — |
| Features | ||
| Hands-free calls | Yes | Yes |
