Wharfedale Crystal 40 Specification
| System type | 2.5-way |
| Enclosure type | Bass-reflex |
| Frequency response ± 3dB | 30 - 20000 Hz |
| Nominal impedance | 6 Ohm |
| Amplifier Requirements | 30 - 150 W |
| Sensitivity (2.83V/1m) | 86 dB |
| Tweeter | 25 mm (1 in.) |
| Midrange | 170 mm (7 in.) |
| Woofer | 170 mm (7 in.) |
| Dimensions (H x W x D) | 952 x 217 x 236 mm / 37.48 x 8.54 x 9.29 in. |
| Weight | 15 kg / 33 lbs. |
