Parameters Type: subwoofer Number of ways:1 Diameter: 12 ”-300mm Products Frame:Aliuminum Cone: Non-pressed /Aliuminum Sensitivity (1W1M): 90dB/m Nominal impedance: 2*2 ohm RMS power handling: 1000W     Specifications Unpressed on-paper cone for smooth frequency response 2.5” aluminium voice coil for high efficiency and power handling Barium ferrite magnet for maximum energy transfer Rubber suspension for deep frequency response Extended vented pole piece Designed for small sealed and vented enclosures