vs
3.0Sound4.9
7.2Noise control & calls7.2
3.4Battery3.7
2.9Build & features4.8
Why is PerL better than EAH-AZ40M2?
- aptXYes · EAH-AZ40M2: No
- Driver size10 mm vs 6 mm+67%
Why is EAH-AZ40M2 better than PerL?
- Hi-res codec (LDAC / aptX HD / LHDC)No · PerL: Yes
- Battery life6 h vs 7 h+17%
- Highest frequency20,000 Hz vs 40,000 Hz2×
- LDACNo · PerL: Yes
- Earbud weight (each)7.4 g vs 5 g+48%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | — | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 10 mm | 6 mm |
| Lowest frequency | 20 Hz | 20 Hz |
| Highest frequency | 20,000 Hz | 40,000 Hz |
| Hi-Res Audio | Yes | Yes |
| Adjustable equaliser | Yes | Yes |
| Noise control | ||
| Active noise cancelling | Yes | Yes |
| Transparency / ambient mode | Yes | Yes |
| Battery & charging | ||
| Battery life | 6 h | 7 h |
| Battery life with ANC | — | 5 h |
| Total with charging case | 24 h | 24 h |
| Charging time | 2 h | 2 h |
| Quick charge (claimed) | 5 min → 1 h | — |
| Fast charging support | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 5.3 |
| Bluetooth codecs | aptX, AAC, SBC | LDAC, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | Yes |
| aptX | Yes | No |
| LDAC | No | Yes |
| Multipoint (two devices) | Yes | Yes |
| USB-C | Yes | Yes |
| Smart & streaming | ||
| Voice assistant | — | Alexa |
| Design & build | ||
| Earbud weight (each) | 7.4 g | 5 g |
| Protection rating | IPX4 | IPX4 |
| Water resistance (IPx) | IPx4 | IPx4 |
| Features | ||
| Touch controls | Yes | Yes |
| Hands-free calls | Yes | Yes |
