speaker diaphragm speaker parts car speaker diaphragm rubber diaphragm high quality speaker Rubber Speaker Parts Diapragm Speaker Diaphragm,speaker part , ... of speaker diaphragm according to your requirements. name: Rubber Speaker Parts Diapragm material PEI,PET,PEN,PU,brushed ... aluminum ,titanium,silk,paper,etc bobbin shape round, not round, etc size9mm to 150mm Height6mm to 130mm work ...