Soundsing Audio Manufacturing Co.,Ltd is one of the leading China 12" professional audio speakers manufacturers and suppliers, providing with 12" pro audio driver wholesale, welcome to import high quality products from our factory. NG12 is our other design of 12" professional audio speakers with 4” voice coil. It can produce clear mid and flexible bass. It is good for high power two way cabinets. Products specification   Size:12” Rated Power: 450W Peak Power:900W Impedance:8 Ohm DC Impedance: 5.4Ohm Sensitivity:97dB Frequency Response:50hz-2.6khz Voice Coil Diameter: 4 Inch Voice Coil Wire Material: Copper Bobbin Material: Til Voice Coil Layers: 2 Layers Dampers: polycotton Cone: paper Magnet Size: 123OZ Mounting Detail: Outer diameter:320mm/12” Hole Cut Out diameter:285mm/11.22” Depth:138mm/5.43” Packing Information: 1 speaker one carton, two brown inner boxes packed into one brown outer box Carton Size: 35*35.5*36.8CM 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