Specifications:

• Rockville Dual 8" Square Subwoofer Box For 2007-20 GM/Chevy 1500 Crew Cab 2500HD/3500HD
  
• Underseat Front fire
  
• Finished with Durable Bed Liner
  
• 2007-Current GMC/Chevy Crew Cab
  
• Air Space: 0.8 Cubic Feet (per sub)
  
• Mounting Depth: 11.25"
  
• Tuning Frequency: 35HZ
• Poly Fil
• (1) Terminal w/(2) Wire Leads for installation
• Custom Made for Kicker L7T (Thin)
• Recessed Face for flush mounting
• (16) Woofer Bolts included for Woofer installation
• Screw Holes have been pre-made for easy installation