vs
9.3Noise control & calls9.3
2.5Battery5.9
Why is FreeBuds 4 better than TAT8506?
- Driver size14.3 mm vs 13 mm+10%
Why is TAT8506 better than FreeBuds 4?
- Battery life4 h vs 8 h2×
- Hi-res codec (LDAC / aptX HD / LHDC)No · FreeBuds 4: Yes
- Lowest frequency20 Hz vs 7 Hz2.9×
- LDACNo · FreeBuds 4: Yes
Specifications
Side by side
| Sound | ||
| Fit | Semi-in-ear (open) | In-ear |
| Ear cup design | Open-back | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 14.3 mm | 13 mm |
| Lowest frequency | 20 Hz | 7 Hz |
| Highest frequency | 40,000 Hz | 40,000 Hz |
| Impedance | — | 16 Ω |
| Sensitivity | — | 104 dB |
| Hi-Res Audio | — | Yes |
| Adjustable equaliser | Yes | — |
| Noise control | ||
| Active noise cancelling | Yes | Yes |
| Battery & charging | ||
| Battery life | 4 h | 8 h |
| Battery life with ANC | 2.5 h | — |
| Total with charging case | — | 32 h |
| Charging time | 1 h | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.2 | 5.2 |
| Bluetooth codecs | AAC, SBC | LDAC, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | Yes |
| aptX | No | No |
| LDAC | No | Yes |
| Multipoint (two devices) | Yes | — |
| USB-C | Yes | — |
| Design & build | ||
| Earbud weight (each) | 4.1 g | — |
| Protection rating | IPX4 | IPX4 |
| Water resistance (IPx) | IPx4 | IPx4 |
| Features | ||
| Hands-free calls | Yes | — |
