Elac BS 123 Specification
| System type | 2-way |
| Enclosure type | Bass-reflex |
| Frequency response ± 3dB | 42 - 25000 Hz |
| Nominal impedance | 4 Ohm |
| Amplifier Requirements | 30 - 120 W |
| Sensitivity (2.83V/1m) | 87 dB |
| Tweeter | 25 mm (1 in.) |
| Woofer | 140 mm (5.5 in.) |
| Dimensions (H x W x D) | 240 x 133 x 210 mm / 9.45 x 5.24 x 8.27 in. |
| Weight | 5,4 kg / 11 lbs. |
