Alpine S2-W12D2 Enclosed Subwoofers the camera must be wired

the camera must be wired for power and ground

When you have no space for bass

each accepting 2-channel audio

rear-panel HDMI output allows you to enjoy the unit's HDMI input audio/video signal on an optional rear view entertainment system (such as an overhead or headrest monitor)

Fortunately

Alpine S2-W12D2 Enclosed Subwoofers the camera must be wiredAbout the Alpine S2 W12D2 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 W12D2 12" sub handles up