Soundsing Audio Manufacturing Co.,Ltd is one of the leading China 18" raw drivers manufacturers and suppliers,Website:://.soundsingpro.com, providing with loudspeaker wholesale, welcome to import high quality products from our factory. SD-180056A , a 18” loudspeaker with dual dampers. Better to use it in a full range cabinets. It is a low mid speaker. Have purple cone design also. Products specification   Size:18” Rated Power: 800W Peak Power:1600W Impedance:8 Ohm DC Impedance: 5.2 Ohm Sensitivity:97dB Frequency Response:35hz-2khz Voice Coil Diameter: 4 Inch Voice Coil Wire Material: Copper Bobbin Material: TIL Voice Coil Layers: outside 2 layers Dampers: dual Cone: paper Magnet Size:123 OZ Mounting Detail: Outer diameter:476mm/18” Hole Cut Out diameter:430mm16.92” Depth:222mm/8.74” Packing Information: 1 speaker one carton, brown inner and outer box Carton Size: 48.5*48.5*27.5CM Other Information Place of Original: Guangzhou, China Payment Terms: T/T, Western Union, Money Gram Port of Delivery: Huangpu, Guangzhou, China Production Lead Time:30days after receive 30% T/T