Specs: * 2400 W Program Power. * 100 dB Sensitivity (1W/1m). * High grade Y35 ferrite magnet motor structure with Low interference flux path. * Vented chassis and motor design provides efficient thermal management and extremely low power compression. * Aluminium demodulation ring. * Dual silicone laminated suspension system combined with optimised software materials offers increased linearity for fast, accurate and undistorted bass reproduction at extreme SPL. * 12mm Xmax with 64 mm peak-to-peak travel. * Fibre loaded, UK manufactured cone offers increased strength, durability and performance. * Ideal for bass reflex and scoop enclosure designs from 125-400 Litres. * Also performs well in horn loaded systems. * 4-inch Inside/ outside windings copper voice coil.