vs
5.2Battery5.6
3.6Build & features6.7
Why is CX Plus True Wireless better than AONIC 215 Gen 2 SE21DYBK+TW2-A?
- Hi-res codec (LDAC / aptX HD / LHDC)Yes · AONIC 215 Gen 2 SE21DYBK+TW2-A: No
- Lowest frequency5 Hz vs 22 Hz4.4×
- Bluetooth version5.2 vs 5+4%
- Charging time1.5 h vs 2 h+33%
- Highest frequency21,000 Hz vs 17,500 Hz+20%
Why is AONIC 215 Gen 2 SE21DYBK+TW2-A better than CX Plus True Wireless?
AONIC 215 Gen 2 SE21DYBK+TW2-A has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Fit | In-ear | — |
| Ear cup design | Closed-back | — |
| Driver type | Dynamic | Dynamic |
| Driver size | 7 mm | — |
| Lowest frequency | 5 Hz | 22 Hz |
| Highest frequency | 21,000 Hz | 17,500 Hz |
| Impedance | — | 17 Ω |
| Sensitivity | 114 dB | 107 dB |
| Adjustable equaliser | Yes | Yes |
| Noise control | ||
| Active noise cancelling | Yes | — |
| Transparency / ambient mode | Yes | Yes |
| Battery & charging | ||
| Battery life | 8 h | 8 h |
| Total with charging case | 24 h | — |
| Charging time | 1.5 h | 2 h |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.2 | 5 |
| Bluetooth codecs | aptX Adaptive, aptX, AAC, SBC | aptX, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | No |
| aptX | Yes | Yes |
| LDAC | No | No |
| USB-C | Yes | Yes |
| Smart & streaming | ||
| Companion app | Yes | — |
| Design & build | ||
| Weight | — | 21 g |
| Earbud weight (each) | 6 g | — |
| Protection rating | IPX4 | IPX4 |
| Water resistance (IPx) | IPx4 | IPx4 |
| Colours | Black, White | — |
| Features | ||
| Touch controls | Yes | — |
| Hands-free calls | Yes | Yes |
