Revive your bass performance with the B2 Audio Rampage 6" Drop-In Recone Kit, designed specifically for the B2 Rampage 6" Dual 2-Ohm subwoofer. Engineered for enthusiasts who demand uncompromising output and clarity, this kit features a high-strength carbon fiber cone and a 3" 8-layer aluminum voice coil for maximum durability and heat dissipation.