Why is CMF Buds better than TAT3509?
- Total with charging case36 h vs 24 h+48%
- Driver size12.4 mm vs 10 mm+24%
Why is TAT3509 better than CMF Buds?
TAT3509 has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | Closed-back | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 12.4 mm | 10 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 | Yes |
| Transparency / ambient mode | Yes | Yes |
| Microphones | 4 | — |
| Battery & charging | ||
| Battery life | 8 h | 8 h |
| Battery life with ANC | — | 6 h |
| Total with charging case | 36 h | 24 h |
| Charging time | — | 2 h |
| Fast charging support | Yes | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 5.3 |
| 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 |
| Low-latency game mode | Yes | — |
| Design & build | ||
| Weight | — | 45 g |
| Protection rating | — | IPX4 |
| Water resistance (IPx) | — | IPx4 |
| Features | ||
| Touch controls | — | Yes |
| Hands-free calls | — | Yes |
