KEF Black Gloss SP4058B1AA
A variant of KEF Black Gloss
| Brand | KEF |
| Model | Black Gloss |
| Drivers | |
| Woofer | 2 x 165 mm (6.5 in.) hybrid aluminium cone |
| Woofer diameter (mm) | 165 |
| Midrange | 125 mm (5 in.) aluminium cone |
| Midrange diameter (mm) | 125 |
| Tweeter | 25 mm (1 in.) vented aluminium dome with MAT |
| Tweeter diameter (mm) | 25 |
| Frequency response | 65 Hz – 28000 Hz +3 −3 dB |
| Enclosure | |
| Sensitivity (dB) | 88 |
| Impedance (Ω) | 4 |
| Recommended amplifier power, least (W) | 15 |
| Recommended amplifier power, most (W) | 250 |
| Built-in amplifier power (W) | |
| Height (mm) | 200 |
| Width (mm) | 625 |
| Depth (mm) | 339 |
| Weight (kg) | 17.8 |