vs
9.7Sound3.8
3.4Battery6.6
Why is ATH-HL7BT better than REAL Blue 2021?
- Hi-res codec (LDAC / aptX HD / LHDC)Yes · REAL Blue 2021: No
- Weight220 g vs 280 g+27%
- Lowest frequency5 Hz vs 10 Hz2×
- Highest frequency40,000 Hz vs 20,000 Hz2×
- LDACYes · REAL Blue 2021: No
- Driver size53 mm vs 40 mm+32%
Why is REAL Blue 2021 better than ATH-HL7BT?
- Battery life20 h vs 55 h2.8×
- aptXNo · ATH-HL7BT: Yes
Specifications
Side by side
| Sound | ||
| Fit | — | Over-ear |
| Ear cup design | Open-back | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 53 mm | 40 mm |
| Number of drivers | — | 1 |
| Lowest frequency | 5 Hz | 10 Hz |
| Highest frequency | 40,000 Hz | 20,000 Hz |
| Impedance | 48 Ω | 18 Ω |
| Sensitivity | 100 dB | 102 dB |
| Hi-Res Audio | Yes | — |
| Adjustable equaliser | Yes | Yes |
| Noise control | ||
| Active noise cancelling | — | Yes |
| Transparency / ambient mode | — | Yes |
| Noise reduction for calls | — | Yes |
| Battery & charging | ||
| Battery life | 20 h | 55 h |
| Battery life with ANC | — | 41 h |
| Battery capacity | — | 700 mAh |
| Charging time | 1.5 h | — |
| Fast charging support | — | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5 | 5 |
| Bluetooth codecs | LDAC, AAC, SBC | aptX, AAC |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | No |
| aptX | No | Yes |
| LDAC | Yes | No |
| Multipoint (two devices) | Yes | Yes |
| USB-C | Yes | Yes |
| 3.5 mm jack / AUX | Yes | Yes |
| Smart & streaming | ||
| Companion app | — | Yes |
| Design & build | ||
| Weight | 220 g | 280 g |
| Foldable | — | Yes |
| Features | ||
| Hands-free calls | Yes | — |
