16 Ohm Voice Coil 51.5mm Phenolic Diaphragm For Horn Driver Tweeter Replacement Diaphragm Product details Product Name Voice Coil Siren diaphragm Color Red Material Phenolic Voice coil diameter 51.6 mm Impedance 6 Ohm 8 Ohm 11 Ohm 16 Ohm Output Power 100 watt-150 watt Application Siren Horn speaker Certification RoHS MOQ 200 pcs Feature good temperature resistance, portable Product Keywords 16Ohm phenolic diaphragm,phenolic diaphragm for replacement,edge-wound coil