Soundsing Audio Manufacturing Co.,Ltd is one of the leading China 12\" metal frame speaker manufacturers and suppliers,Website: , providing with good price 12 inch speaker wholesale, welcome to import high quality products from our factory. SD-120050A is a 12” metal frame speaker with dual magnets. Foam edge cone , 4 layers voice coil, it can deliver good mid bass. It is used for karaoke system. Products specification   Size:12” Rated Power: 200W Peak Power:400W Impedance:8 Ohm DC Impedance: 5.2Ohm Sensitivity:91dB Frequency Response:30hz-2khz Voice Coil Diameter: 2 Inch Voice Coil Wire Material: Copper Bobbin Material: ASV Voice Coil Layers: 4 Layers Dampers: polycotton Cone: paper Magnet Size: 38OZ Mounting Detail: Outer diameter:305mm/12” Hole Cut Out diameter:271mm/10.66” Depth:147mm/5.78” Packing Information: 1 speaker one carton, four brown inner boxes packed into one brown outer box Carton Size: 66*34*35CM 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