Peredam O-ring Busa Smooth untuk Speaker Midbass Door Trim Mobil - O ring foam for midbass tuned control - 6,5 inch - 2 parts round and back side midbass use - supercell foam 45 deggre hardness - super safe with no burn fire and no toxic - clarity and punch for midbass damping result Harga diatas adalah harga 1 set (2pc)