vs
5.5Sound3.4
Why is ULT FIELD 1 better than WH-CH730N?
ULT FIELD 1 has no measurable advantages in this pair.
Why is WH-CH730N better than ULT FIELD 1?
- Battery life12 h vs 75 h6.2×
- Lowest frequency20 Hz vs 6 Hz3.3×
- Bluetooth version5.3 vs 6+13%
Specifications
Side by side
| Sound | ||
| Fit | — | Over-ear |
| Ear cup design | — | Closed-back |
| Driver type | — | Dynamic |
| Driver size | — | 30 mm |
| Output power | 20 W | — |
| Lowest frequency | 20 Hz | 6 Hz |
| Highest frequency | 20,000 Hz | 20,000 Hz |
| Impedance | — | 100 Ω |
| Sensitivity | — | 108 dB |
| Hi-Res Audio | — | Yes |
| Adjustable equaliser | Yes | Yes |
| Noise control | ||
| Active noise cancelling | — | Yes |
| Transparency / ambient mode | — | Yes |
| Microphones | — | 2 |
| Battery & charging | ||
| Battery life | 12 h | 75 h |
| Battery life with ANC | — | 50 h |
| Charging time | — | 3 h |
| Fast charging support | — | Yes |
| Mains powered | No | — |
| Battery powered (portable) | Yes | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 6 |
| Bluetooth codecs | AAC, SBC | LC3, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | No |
| aptX | No | No |
| LDAC | No | No |
| Multipoint (two devices) | — | Yes |
| LE Audio | — | Yes |
| USB-C | Yes | Yes |
| 3.5 mm jack / AUX | — | Yes |
| Design & build | ||
| Weight | — | 207 g |
| Width | 206 mm | — |
| Height | 77 mm | — |
| Depth | 76 mm | — |
| Protection rating | IP67 | — |
| Water resistance (IPx) | IPx7 | — |
| Dust protection (IP) | 6 | — |
| Foldable | — | Yes |
| Features | ||
| Hands-free calls | Yes | Yes |
| Party / stereo pairing | Yes | — |









