KEF Sapphire 637203048371
A variant of KEF Sapphire
| Brand | KEF |
| Model | Sapphire |
| Drivers | |
| Woofer | LF: 4 x 225 mm (9 in.) aluminium cone, |
| Woofer diameter (mm) | 4 |
| Midrange | 125 mm (5 in.) aluminium cone |
| Midrange diameter (mm) | 125 |
| Tweeter | 25 mm (1 in.) aluminium dome with MAT |
| Tweeter diameter (mm) | 25 |
| Frequency response | 27 Hz – 45000 Hz +3 −3 dB; 35 Hz – 35000 Hz |
| Enclosure | |
| Sensitivity (dB) | 2.83 |
| Impedance (Ω) | 4 |
| Recommended amplifier power, least (W) | 50 |
| Recommended amplifier power, most (W) | 400 |
| Built-in amplifier power (W) | |
| Height (mm) | 1590 |
| Width (mm) | 363 |
| Depth (mm) | 540 |
| Weight (kg) | 57.2 |