18 S 4 PL
| Features |
| 18″ Nominal Diameter |
| 4″ Sandwich Voice Coil with Fiberglass Former |
| Double Cross Spider with Progressive Waves |
| Cloth Surround with Double Asymmetric Rolls |
| Waterproof Cone |
| Ventilated Neodymium Magnet Circuit |
| Aluminium Die-Cast Basket |
| 2400 W Power |
| 97.3 dB Sensitivity |
| 35-700 Hz Frequency range |