vs
3.1Noise control & calls3.1
2.2Battery2.4
Why is ITW-4000-2 better than E310?
- Charging time1.8 h vs 2 h+11%
Why is E310 better than ITW-4000-2?
- Battery life4 h vs 5 h+25%
- Driver size10 mm vs 13 mm+30%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | Closed-back | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 10 mm | 13 mm |
| Lowest frequency | — | 50 Hz |
| Highest frequency | — | 20,000 Hz |
| Impedance | 32 Ω | 32 Ω |
| Sensitivity | — | 114 dB |
| Noise control | ||
| Active noise cancelling | No | No |
| Battery & charging | ||
| Battery life | 4 h | 5 h |
| Total with charging case | 16 h | — |
| Battery capacity | — | 30 mAh |
| Charging time | 1.8 h | 2 h |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | — | 5.3 |
| USB-C | Yes | Yes |
| Features | ||
| Touch controls | Yes | Yes |
| Hands-free calls | Yes | Yes |
