Black silk diaphragm, NdFeB drive (magnetic is 10 times ordinary black magnetic), the tooth is equipped with a fever-shaped tooth-shaped pure aluminum heat sink, which enhances the ability to withstand high power! Structure: neodymium magnet + silk film + toothed pure aluminum radiator + ABS frosted panel High-pitched materials; soft ball top wire film, neodymium magnet design Magnetic, some people called high-strength magnet, also called magnetic, rare earth permanent magnet), with aluminum heat dissipation After actual testing and subjective audition, the high frequency is meticulous and accurate. diaphragm can be well balanced with the intermediate frequency, it is convenient to match the woofer, the sensitivity is moderate, and the small mid-bass is , but it is not recommended. It is equipped with a speaker of 8 inches or more (can be used as a super high sound in a large speaker). Impedance: 6 ohm Power: 30W Colour:black Material:Silk film + aluminum + ABS matte board Size: Panel