This Nemesis Audio Bass Package includes:

(1) Subwoofer Box made for Chevy/GMC 2007-2018 4 Door/Crew Cab 2×8″

(2) Nemesis Audio NA-8E v2 8″ 500W RMS Dual 4 Ohm Subwoofers

• Tuned to 35hz
• 2.0 Cubic Ft.
• Width: 49″
• Front Height: 9.5″
• Rear Height: 6.5″
• Height: 9.5″
• Bottom Depth: 14″
• Top Depth: 14″
• Depth: 14″
• Mounting Depth: 7.5″
• Cutout Diameter: 7.32″
• Weight: 43 LBS
• Air Space per Cubic Foot: 0.97^3 Per Chamber
• No Seat Lift Required