Alpine S2-W8D4 Speaker Accessories 3” (Metric): 31

3” (Metric): 31

Fully adjustable high-pass

This speaker is rated IPX7 according to the Ingress Protection rating system

so all you need to do is plug the appropriate connector in the back of the Alpine i407-WRA-JK

Wireless CarPlay/Android Auto

Alpine S2-W8D4 Speaker Accessories 3” (Metric): 31About the Alpine S2 W8D4 Great bass for less For the best in bass, you need the best in materials and engineering. Alpine's redesigned Next Generation S Series subwoofers apply technology from their higher end subs to bring you the depth and punch that'll make your tunes come alive. With high tech materials and Alpine know how, these subs deliver the lows you crave at a budget friendly price. Redesigned for better sound The S W8D4 8" sub handles up to