Why is OnTrac better than ALCHEM-E?
- Battery life55 h vs 45 h+22%
- Lowest frequency6 Hz vs 8 Hz+33%
Why is ALCHEM-E better than OnTrac?
- Highest frequency21,000 Hz vs 40,000 Hz+90%
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 |
| Lowest frequency | 6 Hz | 8 Hz |
| Highest frequency | 21,000 Hz | 40,000 Hz |
| Adjustable equaliser | — | Yes |
| Noise control | ||
| Active noise cancelling | Yes | Yes |
| Transparency / ambient mode | Yes | — |
| Battery & charging | ||
| Battery life | 55 h | 45 h |
| Battery life with ANC | 55 h | — |
| Charging time | 3 h | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | — | 5.3 |
| 3.5 mm jack / AUX | — | Yes |
| Features | ||
| Hands-free calls | Yes | — |
