B&C Speakers 10NDL64-8 LF Drivers Studio Subwoofer 10-inch Woofer Pro Audio Component Speaker Driver for Motorcycle Car with 8 Ohms Impedance 250 Watts Rms 500 Watts & Neodymium Inside Slug Magnet || 10.0-in Woofer w/8 Ohms Impedance & 500 Watts Continuous Power Handling Capacity & Neodymium Inside Slug Magnet * Nominal Outer Diameter - mm (in): 250 (10.0) || Continuous Power Handing Capacity: 500 * Nominal power handling: 250 Watts * Frequency Response: 50 - 3000 Hz * Sensitivity (1W/1m): 97.0 dB * Nominal impedance: 8 Ohms * Minimum impedance: 7.0 Ohms || Winding material: Aluminium * Winding depth - mm (in): 14.0 (0.55) * Voice Coil Diameter - mm (in): 64 (2.5) * Cone Shape: Exponential * Surround Shape: Double Roll || Former Material: Glass Fibre * Magnetic gap depth - mm (in): 8.0 (0.31) * Flux Density - T: 1.25 * Spider type: Single * Pole Design: Straight Pole Recommended Enclosure: 26.0 (0.92) Recommended Tuning in Hz: 62 || Product Type : Electronic Adapter || Item Package Dimension : 17.8 cm L X29.2 cm W X30.5 cm H || Item Package Weight : 3.583 kg || Country Of Origin : China || Spider Type : Single || Pole Design : Straight Pole || Recommended Enclosure : 26.0 (0.92) || Recommended Tuning In Hz : 62