vs
7.2Noise control & calls4.2
4.6Battery2.8
Why is TAT3509 better than Redmi Buds 4 Active?
- Active noise cancellingYes · Redmi Buds 4 Active: No
- Battery life8 h vs 5 h+60%
Why is Redmi Buds 4 Active better than TAT3509?
- Total with charging case24 h vs 28 h+17%
- Driver size10 mm vs 12 mm+20%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | Closed-back | — |
| Driver type | Dynamic | — |
| Driver size | 10 mm | 12 mm |
| Lowest frequency | 20 Hz | — |
| Highest frequency | 20,000 Hz | — |
| Impedance | 16 Ω | 16 Ω |
| Sensitivity | 104 dB | — |
| Hi-Res Audio | Yes | — |
| Adjustable equaliser | Yes | — |
| Noise control | ||
| Active noise cancelling | Yes | No |
| Transparency / ambient mode | Yes | — |
| Noise reduction for calls | — | Yes |
| Battery & charging | ||
| Battery life | 8 h | 5 h |
| Battery life with ANC | 6 h | — |
| Total with charging case | 24 h | 28 h |
| Battery capacity | — | 34 mAh |
| Charging time | 2 h | — |
| Fast charging support | — | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 5.3 |
| Bluetooth codecs | LC3, SBC | SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | No |
| aptX | No | No |
| LDAC | No | No |
| Multipoint (two devices) | Yes | — |
| LE Audio | Yes | — |
| USB-C | Yes | — |
| Low-latency game mode | — | Yes |
| Design & build | ||
| Weight | 45 g | — |
| Protection rating | IPX4 | IPX4 |
| Water resistance (IPx) | IPx4 | IPx4 |
| Features | ||
| Touch controls | Yes | Yes |
| Hands-free calls | Yes | Yes |









