uxcell 12" Paper Speaker Cone Subwoofer Drum Paper 2" Coil Diameter with 4 Cloth Surround

12 Inches speaker paper cone, fit speaker voice coil up to 49.5mm/2" (Coil Diameter), the depth is 65mm.
4 roll cloth surrounds. 275mm outside diameter and 240mm inner diameter of the surround.
Made of high-grade paper. Strong enough to resist scratch and stretch, a sealed round edge would block the dirt and protect the coil.
The cone(Diaphragm) is a front part of the loudspeaker. Whe...