Stone 1500 | Powerful 40w Sound with Thumping Passive Radiators, Up to 15 Hours of Playtime, IPX 6 Water Resistant
| Speaker Type | Stereo |
| IPX Rating | IPX6 |
| Driver Type | Full Range Driver |
| Driver Size | 70mm *2 outer & 31mm *2 inner |
| Impedance | 6Ω &4 Ω |
| Sensitivity (dB) | 75dB±3DB |
| Frequency Response | 20Hz-20KHz |
| Battery Capacity (mAh) | 4000 mAh |
| Playback Time | 15 hours |
| Charging Time | 4.5 hours |
| Standby Time | 360 hours |
