vs
8.6Noise control & calls4.0
7.7Battery8.1
Why is KH-BT04 better than Studio Max 2?
- Active noise cancellingYes · Studio Max 2: No
- Battery capacity800 mAh vs 120 mAh6.7×
- Charging time1.5 h vs 3 h2×
- aptXYes · Studio Max 2: No
Why is Studio Max 2 better than KH-BT04?
- Battery life60 h vs 120 h2×
- Highest frequency20,000 Hz vs 40,000 Hz2×
- LDACNo · KH-BT04: Yes
- Bluetooth version5.4 vs 6+11%
- Driver size40 mm vs 45 mm+12%
Specifications
Side by side
| Sound | ||
| Fit | Over-ear | — |
| Ear cup design | Closed-back | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 40 mm | 45 mm |
| Lowest frequency | 20 Hz | 20 Hz |
| Highest frequency | 20,000 Hz | 40,000 Hz |
| Impedance | 32 Ω | 34 Ω |
| Sensitivity | — | 98 dB |
| Hi-Res Audio | Yes | Yes |
| Adjustable equaliser | — | Yes |
| Noise control | ||
| Active noise cancelling | Yes | No |
| Noise reduction for calls | Yes | — |
| Battery & charging | ||
| Battery life | 60 h | 120 h |
| Battery life with ANC | 40 h | — |
| Battery capacity | 800 mAh | 120 mAh |
| Charging time | 1.5 h | 3 h |
| Fast charging support | — | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.4 | 6 |
| Bluetooth codecs | aptX HD | LDAC, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | Yes |
| aptX | Yes | No |
| LDAC | No | Yes |
| USB-C | — | Yes |
| 3.5 mm jack / AUX | — | Yes |
| Design & build | ||
| Weight | 245 g | — |
| Foldable | Yes | Yes |
| Colours | Black | Black |
| Features | ||
| Hands-free calls | Yes | — |
