vs
9.3Noise control & calls5.5
Why is FreeBuds Pro 4 better than Method 540 ANC?
- Highest frequency48,000 Hz vs 20,000 Hz2.4×
- Lowest frequency14 Hz vs 20 Hz+43%
Why is Method 540 ANC better than FreeBuds Pro 4?
- Total with charging case33 h vs 40 h+21%
- Driver size11 mm vs 12 mm+9%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | Closed-back | — |
| Driver type | Planar magnetic | — |
| Driver size | 11 mm | 12 mm |
| Number of drivers | 2 | — |
| Lowest frequency | 14 Hz | 20 Hz |
| Highest frequency | 48,000 Hz | 20,000 Hz |
| Impedance | — | 16 Ω |
| Sensitivity | — | 97 dB |
| Hi-Res Audio | Yes | — |
| Adjustable equaliser | — | Yes |
| Noise control | ||
| Active noise cancelling | Yes | Yes |
| Adaptive ANC | — | Yes |
| Transparency / ambient mode | — | Yes |
| Microphones | — | 4 |
| Battery & charging | ||
| Battery life | 7 h | — |
| Battery life with ANC | 5 h | — |
| Total with charging case | 33 h | 40 h |
| Battery capacity | 55 mAh | — |
| Charging time | 2.5 h | — |
| Quick charge (claimed) | — | 10 min → 2 h |
| Fast charging support | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.2 | 5.3 |
| Bluetooth codecs | LDAC, AAC, SBC | — |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | — |
| aptX | No | — |
| LDAC | Yes | — |
| Multipoint (two devices) | Yes | Yes |
| USB-C | Yes | — |
| Smart & streaming | ||
| Companion app | — | Yes |
| Design & build | ||
| Earbud weight (each) | — | 11 g |
| Protection rating | IP54 | IPX4 |
| Water resistance (IPx) | IPx4 | IPx4 |
| Dust protection (IP) | 5 | — |
| Colours | — | Bone, Primer, True Black |
| Features | ||
| Touch controls | Yes | — |
