DD Audio DD-506D-D2 6" 1200W 500 Series Power Tuned Subwoofer subwoofer accessories If your Astra falls outside

If your Astra falls outside this range

The Aerpro AP136 Pillar Mount Antenna to suit the 2008 Colorado LX 4X2 DX 4X4 Single Cab and LX 4X4 Crew Cab

Push terminals

Rockford Fosgate M1D2-8B M1 Series 8 Inch DVC 2-Ohm Color Optix Marine Subwoofer in Black

Simply place the speaker in the cutout

DD Audio DD-506D-D2 6" 1200W 500 Series Power Tuned Subwoofer subwoofer accessories If your Astra falls outsideOne of the Best Performing Subs You Can Find in Its Power Class! 6" Power Tuned Subwoofer The 500 series is one of the best performing subs you can find in its power class. With a highly efficient design, the 500 series can easily be driven to high output levels on as little as 150 400 Watts. When compared to the 200 Series the 500 Series uses a longer coil, more powerful motor and the suspension is designed to handle higher transient peaks. These are