※Inexpensive because there are many stains and fine stains. No mounting pins wall-mounted acoustic panel The pyramid-like uneven design and large and small holes control the diffusion and absorption of high and low sounds in a well-balanced manner, creating a natural and spacious sound field. You can see a feeling of use on the exterior, dullness, stains, yellowing, etc. (Kobayashi Hitoshi)
Accessories: none
Main specifications: 600 x 600 x 125 mm thick 1.5 kg