KEF Sapphire
Blade One Meta
| 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 |
Variants
| Finish | Barcode | Part number | |
|---|---|---|---|
| KEF Sapphire 48814274773241 | 48814274773241 | ||
| KEF Sapphire 48814274806009 | 48814274806009 | ||
| KEF Sapphire 48814274904313 | 48814274904313 | ||
| KEF Sapphire 48814274969849 | 48814274969849 | ||
| KEF Sapphire 637203048364 | 637203048364 | ||
| KEF Sapphire 637203048371 | 637203048371 | ||
| KEF Sapphire 637203048401 | 637203048401 | ||
| KEF Sapphire 637203048418 | 637203048418 | ||
| KEF Sapphire 637203052583 | 637203052583 | ||
| KEF Sapphire 637203052590 | 637203052590 | ||
| KEF Sapphire 637203052606 | 637203052606 | ||
| KEF Sapphire SP4044AA | SP4044AA | ||
| KEF Sapphire SP4044BA | SP4044BA | ||
| KEF Sapphire SP4044C1AA | SP4044C1AA | ||
| KEF Sapphire SP4044K1AA | SP4044K1AA | ||
| KEF Sapphire SP4044KA | SP4044KA | ||
| KEF Sapphire SP4044M1AA | SP4044M1AA | ||
| KEF Sapphire SP4044ZA01 | SP4044ZA01 |