Comes with a frame. Recommended for those considering damping amplifiers, speakers, etc. This board is made of flake cast iron and is said to be highly effective for vibration and sound absorption characteristics, sound absorption characteristics, and sound insulation characteristics. There is a weight difference between left and right (Futoshi Miraito)
Accessories: none
Main specifications: W600 x H10 x D300 mm approx. 7.4 kg, approx. 6.6 kg (actual measurement)