1 - B Box Series 10" Dual Downfire Enclosure for Nissan(R) Titan King or Crew Cab 2004 & Up, Fits 2004 & up Nissan(R) Titan King or Crew Cab, MDF construction , A402-10CP Fits 2004 & up Nissan(R) Titan King or Crew Cab MDF construction .75" speaker baffles Completely carpeted enclosure with rounded edges Custom built for under-seat application