vs
4.6Battery5.6
Why is FreeBuds Pro 2 better than AONIC 215 Gen 2 Special?
- Hi-res codec (LDAC / aptX HD / LHDC)Yes · AONIC 215 Gen 2 Special: No
- Highest frequency48,000 Hz vs 17,500 Hz2.7×
- LDACYes · AONIC 215 Gen 2 Special: No
- Bluetooth version5.2 vs 5+4%
- Lowest frequency14 Hz vs 21 Hz+50%
- Charging time1.5 h vs 2 h+33%
Why is AONIC 215 Gen 2 Special better than FreeBuds Pro 2?
- Battery life7 h vs 8 h+14%
- aptXNo · FreeBuds Pro 2: Yes
Specifications
Side by side
| Sound | ||
| Fit | In-ear | — |
| Ear cup design | Closed-back | — |
| Driver type | Dynamic | Dynamic |
| Driver size | 11 mm | — |
| Number of drivers | 2 | — |
| Lowest frequency | 14 Hz | 21 Hz |
| Highest frequency | 48,000 Hz | 17,500 Hz |
| Impedance | — | 17 Ω |
| Sensitivity | — | 107 dB |
| Hi-Res Audio | Yes | — |
| Adjustable equaliser | Yes | Yes |
| Noise control | ||
| Active noise cancelling | Yes | — |
| Transparency / ambient mode | Yes | Yes |
| Battery & charging | ||
| Battery life | 7 h | 8 h |
| Battery life with ANC | 4 h | — |
| Total with charging case | 30 h | — |
| Battery capacity | 55 mAh | — |
| Charging time | 1.5 h | 2 h |
| Wireless charging (case) | Yes | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.2 | 5 |
| Bluetooth codecs | LDAC, AAC, SBC | aptX, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | No |
| aptX | No | Yes |
| LDAC | Yes | No |
| Multipoint (two devices) | Yes | — |
| USB-C | Yes | Yes |
| Design & build | ||
| Weight | — | 21 g |
| Protection rating | IP54 | IPX4 |
| Water resistance (IPx) | IPx4 | IPx4 |
| Dust protection (IP) | 5 | — |
| Features | ||
| Touch controls | Yes | — |
| Hands-free calls | Yes | Yes |



