Material: Foam
Color: Black
Sizes from outer to inside:196 mm+/-1%, 180 mm+/-1%, 148 mm+/-1%, 136 mm+/-1%
Packing: 2 Pieces
This is a high quality Replacement speaker foam surround for Pioneer HPM-300, HPM300, HPM-30, HPM30, 20-32F-1, 20-747B, 20-766A and many others.