ELAC FS 247 Specification
| System type | 2.5-way |
| Enclosure type | Bass-reflex |
| Frequency response ± 3dB | 30 - 50000 Hz |
| Nominal impedance | 4 Ohm |
| Amplifier Requirements | 30 - 250 W |
| Sensitivity (2.83V/1m) | 89 dB |
| Tweeter | JET III |
| Woofer | 2 x 150 mm (6 in.) AS-XR cone |
| Dimensions (H x W x D) | 1022 x 170 x 270 mm / 40.24 x 6.69 x 10.63 in. |
| Weight | 17,8 kg / 37.4 lbs. |
