SPEAKER KIT AND WAVE BREAKER COMBO

Speaker Kit; Use To Eliminate Noise And Vibration/ Break Up Back Wave From Speaker; Butyl Rubber Compound Sheets And Foam Pads; 2 Sheets Of 10 Inch Length x 10 Inch Width x 1.5 Millimeter Thickness/ 2 Pads Of 8 Inch Length x 8 Inch Width x 13 Millimeter Thickness; Black; With Self-Adhesive