A sound control panel that adjusts the sound field by absorbing and scattering sound. Of course, it can adjust rooms with sound problems, such as dead rooms, etc., but it also has the effect of expanding the sound field space in various rooms. The exterior has dullness etc. over time (Satoshi Yonejima)
Accessories: instruction manual
Main specifications: Sound control panel, 80 to 4,000 Hz, dimensions W587 x H1200 x D30 mm, weight approx. 5.7 kg/sheet (body weight)