W8L Longbow speaker box good quality and cheap price 1,front board & around is 18mm thickness plywood 2,or Brich plywood Detailed Product Description 

Subwoofer empty wooden cabinet W8L Longbow

1. birch wooden cabinet 2. Water lacquer

 

Subwoofer empty wooden cabinet W8L Longbow  

 1.birch wooden cabinet  18mm ( former board 18mm ) 

2. High quality water lacquer. ROSH  Good elasticity, High strength.

  W8L Longbow speaker box  

front board & around is 18mm thickness plywood,

W8L Longbow line array box