vs
3.8Noise control & calls3.8
Why is JT7 better than Crusher 540 Active?
- Lowest frequency4 Hz vs 20 Hz5×
- Highest frequency40,000 Hz vs 20,000 Hz2×
Why is Crusher 540 Active better than JT7?
Crusher 540 Active has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Fit | Over-ear | Over-ear |
| Driver type | Planar magnetic | Dynamic |
| Driver size | — | 40 mm |
| Lowest frequency | 4 Hz | 20 Hz |
| Highest frequency | 40,000 Hz | 20,000 Hz |
| Impedance | 18 Ω | 32 Ω |
| Sensitivity | 92 dB | 98 dB |
| Hi-Res Audio | Yes | — |
| Adjustable equaliser | — | Yes |
| Noise control | ||
| Active noise cancelling | No | No |
| Battery & charging | ||
| Battery life | — | 40 h |
| Charging time | 3 h | — |
| Quick charge (claimed) | — | 10 min → 4 h |
| Fast charging support | — | Yes |
| Connectivity | ||
| Wireless | No | Yes |
| Bluetooth version | — | 5 |
| USB-C | — | Yes |
| 3.5 mm jack / AUX | Yes | Yes |
| Design & build | ||
| Weight | 318 g | 312 g |
| Water resistance (IPx) | — | IPx4 |
| Foldable | — | Yes |
| Colours | — | Concrete, Soft, Forest, Smoke, Coal |









