2.5" Dual 4 Ohm Flat Copper Voice Coil

• Former Height: 3.10"  (78.74mm)
• Winding Width: 1.40"  (35.56mm) 
• Outer Diameter: 2.60"  (66.04mm)
• Inner Diameter: 2.483"  (63.07mm)
• Impedance: Dual 4 Ohm
• Layers: 4
• Former Material: Black Anodized Aluminum
• Wire Material / Type: Flat Copper