Soundsing Audio Manufacturing Co.,Ltd is one of the leading China 3" tweeter manufacturers and suppliers,Website:://.soundsingpro.com, providing with 3" tweeter wholesale, welcome to import high quality products from our factory. SD-30011A is 3” tweeter with rubber edge and dual magnets. Bigger magnet and voice coil supply higher power, good  and smooth high frequency. Products specification   Size:3” Rated Power: 15W Peak Power: 30W Impedance: 4Ohm DC Impedance: 3 Ohm Sensitivity:92dB Frequency Response:600hz-18khz Voice Coil Diameter: 0.8 Inch Voice Coil Wire Material: Copper Bobbin Material: ASV Voice Coil Layers: 2 Layers Dampers: polycotton Cone: paper Magnet Size: 3.5OZ Mounting Detail: Outer diameter:100mm/3” Hole Cut Out diameter:76mm/2.99” Depth:45mm/1.77” Packing Information: 1 speaker one carton, 60 brown inner boxes packed into one brown outer box Carton Size: 43.5*32.5*29CM 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