200 mm (8 inch) subwoofer in powder coated metal basket with loadable 50 mm aluminium dual voice coil, pressed and stiffened paper cone with long excursion surround, 2 x 2 ohms impedance, 300 W RMS, 400 W music power handling, large core hole for optimum ventilation, strong ferrite magnet with silicone coating/protection, 216 x 131 mm (DxH), 81.5 dB sound pressure level, 4.6 kg.