Soundsing Audio Manufacturing Co.,Ltd is one of the leading China 18" professional audio speakers manufacturers and suppliers, providing with speakers professional audio wholesale, welcome to import high quality products from our factory. SD-180016A , 18” Professional Audio Speakers which is recommended to use in a full range cabinets. It has deep and thick bass through use non press woolen materials cone. Products specification   Size:18” Rated Power: 800W Peak Power: 1600W Impedance:8 Ohm DC Impedance: 5Ohm Sensitivity:98dB Frequency Response:30hz-1.6khz Voice Coil Diameter: 4 Inch Voice Coil Wire Material: CCAR Bobbin Material: TIL Voice Coil Layers: 1 layer Dampers: dual Cone: woolen paper Magnet Size:123 OZ Mounting Detail: Outer diameter:474mm/18” Hole Cut Out diameter:428mm/16.85” Depth:209mm/8.22” Packing Information: 1 speaker one carton, two brown inner boxes packed into one brown outer box Carton Size: 49.5*49.5*45.5CM 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