vs
9.3Noise control & calls4.9
4.6Battery7.9
Why is Quantum TWS better than Space A40?
- Active noise cancellingYes · Space A40: No
Why is Space A40 better than Quantum TWS?
- Battery life8 h vs 10 h+25%
- Highest frequency20,000 Hz vs 40,000 Hz2×
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | Closed-back | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 10 mm | 10 mm |
| Lowest frequency | 20 Hz | 20 Hz |
| Highest frequency | 20,000 Hz | 40,000 Hz |
| Impedance | 16 Ω | 16 Ω |
| Sensitivity | 106 dB | 104 dB |
| Hi-Res Audio | — | Yes |
| Adjustable equaliser | — | Yes |
| Noise control | ||
| Active noise cancelling | Yes | No |
| Transparency / ambient mode | — | Yes |
| Microphones | — | 6 |
| Noise reduction for calls | — | Yes |
| Battery & charging | ||
| Battery life | 8 h | 10 h |
| Battery life with ANC | 5 h | — |
| Total with charging case | — | 50 h |
| Charging time | 2 h | 2 h |
| Quick charge (claimed) | — | 10 min → 4 h |
| Fast charging support | — | Yes |
| Wireless charging (case) | — | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.2 | 5.2 |
| Bluetooth codecs | — | LDAC, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | — | Yes |
| aptX | — | No |
| LDAC | — | Yes |
| Multipoint (two devices) | — | Yes |
| USB-C | Yes | Yes |
| Smart & streaming | ||
| Voice assistant | Alexa, Google Assistant | Siri |
| Design & build | ||
| Earbud weight (each) | — | 4.9 g |
| Protection rating | IPX4 | IPX4 |
| Water resistance (IPx) | IPx4 | IPx4 |
| Colours | Black | Navy Blue, Black, White, Fresh Green, Purple |
| Features | ||
| Touch controls | — | Yes |
| Hands-free calls | Yes | Yes |
