The outer carton is damaged and dirty but the product inside is perfect. This driver may be delivered in a different out carton. The product inside is perfect. 18 1500w RMS Subwoofer Bass Speaker Cast Alloy LF Driver With push Terminals BWP18 – 4 ohm. Powerful and proven in many different cabinet designs and classed by professional speaker cabinet designers. 1500w AES – 3000w Program Power. Stainless Steel Press Terminals. We load this driver in all our UK-built sub-woofers for power and reliability. We use high-quality cast chassis. Made from professional-grade materials the Kapton coils, ferrite magnets, BRITISH paper cones with rolled cloth edge and push terminals. 125mm / 5.0. Sensitivity (1w / 1m). 35 Hz – 2 kHz. Voice Coil Winding Depth.