Why is TAT3509 better than A30i?
- Battery life8 h vs 7 h+14%
- Driver size10 mm vs 6 mm+67%
Why is A30i better than TAT3509?
A30i has no measurable advantages in this pair.
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 | 20,000 Hz |
| Impedance | 16 Ω | 24 Ω |
| Sensitivity | 104 dB | — |
| Spatial / 3D audio | — | Yes |
| Hi-Res Audio | Yes | — |
| Adjustable equaliser | Yes | Yes |
| Noise control | ||
| Active noise cancelling | Yes | Yes |
| Transparency / ambient mode | Yes | Yes |
| Microphones | — | 4 |
| Noise reduction for calls | — | Yes |
| Battery & charging | ||
| Battery life | 8 h | 7 h |
| Battery life with ANC | 6 h | — |
| Total with charging case | 24 h | 24 h |
| Charging time | 2 h | 2 h |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 5.4 |
| Bluetooth codecs | LC3, SBC | AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | No |
| aptX | No | No |
| LDAC | No | No |
| Multipoint (two devices) | Yes | Yes |
| LE Audio | Yes | — |
| USB-C | Yes | Yes |
| Smart & streaming | ||
| Companion app | — | Yes |
| Design & build | ||
| Weight | 45 g | — |
| Earbud weight (each) | — | 3.7 g |
| Protection rating | IPX4 | IP54 |
| Water resistance (IPx) | IPx4 | IPx4 |
| Dust protection (IP) | — | 5 |
| Colours | — | Black, White, Blue, Pink |
| Features | ||
| Touch controls | Yes | Yes |
| Hands-free calls | Yes | Yes |
