vs
5.8Noise control & calls6.5
9.4Battery8.5
Why is Clam Ace 2 better than Tune 680NC?
- Battery life100 h vs 76 h+32%
Why is Tune 680NC better than Clam Ace 2?
Tune 680NC has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Fit | Over-ear | On-ear |
| Ear cup design | Closed-back | — |
| Driver type | Dynamic | — |
| Driver size | — | 32 mm |
| Lowest frequency | — | 20 Hz |
| Highest frequency | — | 20,000 Hz |
| Impedance | — | 32 Ω |
| Sensitivity | — | 98 dB |
| Spatial / 3D audio | — | Yes |
| Adjustable equaliser | Yes | — |
| Noise control | ||
| Active noise cancelling | Yes | Yes |
| Transparency / ambient mode | Yes | — |
| Microphones | 2 | 2 |
| Noise reduction for calls | Yes | — |
| Battery & charging | ||
| Battery life | 100 h | 76 h |
| Battery life with ANC | 60 h | — |
| Battery capacity | — | 680 mAh |
| Charging time | 2 h | 2 h |
| Quick charge (claimed) | 10 min → 8 h | — |
| Fast charging support | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 6 | 6 |
| Multipoint (two devices) | Yes | Yes |
| USB-C | Yes | Yes |
| 3.5 mm jack / AUX | Yes | — |
| Smart & streaming | ||
| Voice assistant | Google Assistant, Siri | — |
| Companion app | Yes | Yes |
| Design & build | ||
| Weight | — | 158 g |
| Foldable | Yes | Yes |
| Features | ||
| Hands-free calls | Yes | Yes |







