Why is TAT2520 better than TAT3509?
TAT2520 has no measurable advantages in this pair.
Why is TAT3509 better than TAT2520?
- Battery life4 h vs 8 h2×
- Total with charging case14 h vs 24 h+71%
- Battery life with ANC4 h vs 6 h+50%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | — | Closed-back |
| Driver type | — | Dynamic |
| Driver size | 10 mm | 10 mm |
| Lowest frequency | 20 Hz | 20 Hz |
| Highest frequency | 20,000 Hz | 20,000 Hz |
| Impedance | 32 Ω | 16 Ω |
| Sensitivity | 107 dB | 104 dB |
| Hi-Res Audio | — | Yes |
| Adjustable equaliser | — | Yes |
| Noise control | ||
| Active noise cancelling | Yes | Yes |
| Transparency / ambient mode | — | Yes |
| Microphones | 2 | — |
| Battery & charging | ||
| Battery life | 4 h | 8 h |
| Battery life with ANC | 4 h | 6 h |
| Total with charging case | 14 h | 24 h |
| Battery capacity | 40 mAh | — |
| Charging time | 2 h | 2 h |
| Fast charging support | Yes | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.4 | 5.3 |
| Bluetooth codecs | SBC | LC3, 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 |
| Design & build | ||
| Weight | — | 45 g |
| Protection rating | IPX4 | IPX4 |
| Water resistance (IPx) | IPx4 | IPx4 |
| Features | ||
| Touch controls | Yes | Yes |
| Hands-free calls | — | Yes |
