Step 2: Materials

Picture of Materials
Materials you will need:

3/4" MDF boards - pretty standard unless you are using a much larger or multiple subs
Circular Saw or Table Saw -  or have Home Depot / Lowes cut them for you (make sure they stick to your measurements!)
Tape Measure
Straight edge / Ruler
1/2" - 1 3/4" Sheet Metal Screws
Wood glue or Liquid Nails
Silicone Caulk
Carpet - if preferred (found at auto parts stores / hobby stores)
Spray Adhesive - if preferred
Speaker Terminal Cup (found online / eBay)
Compass / Circle Template / screw, pencil & string combo
Box Cutter / Razor