Parameters Model No.: FSL12 12inch Full range speaker Die-cast Aluminum basket Paper cone with cloth surround High efficiency 56Oz Magnet 1.77" (45mm) Hi-temp voice coil Nomal Impedance: 16Ohm SPL 97dB/W/M RMS/Musical/Max.Power: 20W/40W/80W     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