["Description:\nFeatures:\nBy driving a current through the voice coil, a magnetic field is produced. \nThis magnetic field causes the voice coil to react to the magnetic field from a permanent magnet fixed to the speakers frame, thereby moving the cone of the speaker.\nBy applying an audio waveform to the voice coil, the cone will reproduce the sound pressure waves, corresponding to input signal.\n\nSpecifications:\nVoice Coil Diameter: 25.5mm/1.00inch(approx.)\nSound Film Material: White Aluminum \nCoil Material: Round Copper Wire\nResistance: 8 Ω \nPower: Different Power According To Different Magnets\nTotal Skeleton Height:30mm/1.18inch(approx.)\nCopper Wire Height: About 10mm/0.39inch(approx.)\nQuantity:2Pcs\n\n\nNote:\nNo retail package.\nTransition: 1cm=10mm=0.39inch\nPlease allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.\nDue to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\n\nPackage Include:\n2pcs Treble Voice Coil Reel\n(other accessories demo in the picture is not included.)"]