1 sheet only. This is a Krypton audio board. It contains iron ball sand, which has a large specific gravity, and is excellent at preventing vibration from the device. The sound quality is thick and powerful. There is not a very noticeable scar (Tomonori Asaine)
Accessories: none
Main specifications: size W300 x H55 x D400 mm weight 8.5 kg load capacity 150 kg