Why is iO-8 better than ALCHEM-E?
- Driver size50 mm vs 40 mm+25%
- Highest frequency43,000 Hz vs 40,000 Hz+7%
Why is ALCHEM-E better than iO-8?
- Battery life35 h vs 45 h+29%
- Lowest frequency10 Hz vs 8 Hz+25%
Specifications
Side by side
| Sound | ||
| Fit | Over-ear | Over-ear |
| Ear cup design | Closed-back | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 50 mm | 40 mm |
| Number of drivers | 1 | — |
| Lowest frequency | 10 Hz | 8 Hz |
| Highest frequency | 43,000 Hz | 40,000 Hz |
| Impedance | 25 Ω | — |
| Sensitivity | 100 dB | — |
| Hi-Res Audio | Yes | — |
| Adjustable equaliser | — | Yes |
| Noise control | ||
| Active noise cancelling | Yes | Yes |
| Adaptive ANC | Yes | — |
| Transparency / ambient mode | Yes | — |
| Noise reduction for calls | Yes | — |
| Battery & charging | ||
| Battery life | 35 h | 45 h |
| Charging time | 2 h | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.2 | 5.3 |
| Bluetooth codecs | aptX Adaptive, aptX HD, aptX, AAC | — |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | — |
| aptX | Yes | — |
| LDAC | No | — |
| USB-C | Yes | — |
| 3.5 mm jack / AUX | Yes | Yes |
| Design & build | ||
| Protection rating | IP52 | — |
| Water resistance (IPx) | IPx2 | — |
| Dust protection (IP) | 5 | — |
| Foldable | Yes | — |
