KEF C4 Specification
| Enclosure type | Bass-reflex |
| Frequency Response | 29 - 140 Hz |
| Driver | 200 mm (8 in.) |
| Inputs | LFE RCA |
| Amplifier | 200W built-in Class-D |
| Magnetic Shielding | Yes |
| Phase | 0/180 |
| Crossover Frequency | 40 - 140 Hz |
| Weight | 12.2 kg / 26.84 lbs. |
| Dimensions (WxHxD) | 345 x 320 x 377 mm / 13.58 x 12.6 x 14.84 in. |
