Features pure copper tinned terminals for excellent conductivity and corrosion resistance, ensuring no signal loss and clear bass transmission. Employs butyl synthetic rubber in a wave pattern, providing lightweight flexibility and great elasticity that matches natural acoustic propagation for quicker, more accurate bass response. The frame is constructed from metals, sintered at high temperature and electroplated for increased strength and induction intensity, producing richer, tighter bass with outstanding clarity and depth. Perfect for home theaters, car audio, and professional systems, this subwoofer merges advanced materials with expert engineering to deliver powerful, distortion-free bass