["It is voice coilfor professional tweeter speakers.\n44.4 44.5core treblefor titaniumfilm.\nLightweight and portable.\nAs tweeter speakers accessory.\nTips: The patternaround the for titaniumfilm will be random delivery, please buying carefully if you mind.\n\nSpecifications:\nItem Type: 44.4mm 44.5mm highpitch diaphragm highvoice coils\nImpedance: 8Ω \nPower: 50-120 for W \nCoilMaterial: Copper Coated Aluminum \nMembrane Vibrating Material: Imported for TitaniumMembrane\nColor: Sliver\nSize: (approx)\nCylindrical Diagonal Line: 9.8cm/3.86in\nBack Diagonal Line: 10.8cm/4.25in \nOuter CircularDiameter: 7.2cm/2.83in \nInner CircularDiameter: 4.5cm/1.77in \nQuantity: 1 PC (other accessories demo in the picture is not included)\n\nNote: \n1.Transition: 1cm=10mm=0.39inch\n2.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.\n3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\n\nPackage includes: (No retail package)\n1PC 44.4mm 44.5mm highpitch diaphragm highvoice coils"]