Fits Cerwin Vega: PD18B, PD-18B, SM12, SM-12, SM-15, SM-15, SW12, SW-12, V15, V-15, V30, V-30, V30X, V-30X, V43, V-43, H25, H-25, HO25, HO-25, CT15, CT-15, and many more!