Why is TAT3509 better than V20i?
- Active noise cancellingYes · V20i: No
Why is V20i better than TAT3509?
- Battery life8 h vs 10 h+25%
- Total with charging case24 h vs 36 h+50%
- Water resistance (IPx)IPx4 vs IPx5+25%
- Driver size10 mm vs 16 mm+60%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | Closed-back | — |
| Driver type | Dynamic | — |
| Driver size | 10 mm | 16 mm |
| Lowest frequency | 20 Hz | — |
| Highest frequency | 20,000 Hz | — |
| Impedance | 16 Ω | — |
| Sensitivity | 104 dB | — |
| Hi-Res Audio | Yes | — |
| Adjustable equaliser | Yes | — |
| Noise control | ||
| Active noise cancelling | Yes | No |
| Transparency / ambient mode | Yes | — |
| Microphones | — | 4 |
| Noise reduction for calls | — | Yes |
| Battery & charging | ||
| Battery life | 8 h | 10 h |
| Battery life with ANC | 6 h | — |
| Total with charging case | 24 h | 36 h |
| Charging time | 2 h | 2 h |
| Quick charge (claimed) | — | 10 min → 2 h |
| Fast charging support | — | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 5.4 |
| Bluetooth codecs | LC3, SBC | — |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | — |
| aptX | No | — |
| LDAC | No | — |
| Multipoint (two devices) | Yes | Yes |
| LE Audio | Yes | — |
| USB-C | Yes | — |
| Design & build | ||
| Weight | 45 g | — |
| Protection rating | IPX4 | IP55 |
| Water resistance (IPx) | IPx4 | IPx5 |
| Dust protection (IP) | — | 5 |
| Colours | — | Black, White, BIue |
| Features | ||
| Touch controls | Yes | — |
| Hands-free calls | Yes | — |









