Wooden sound-absorbing panels are made of solid wood or artificial boards. Groove wood sound-absorbing board and perforated wood sound-absorbing board. Slotted wood sound-absorbing board is a narrow slit resonant sound-absorbing material with grooves on the front and perforations on the back of the density board; Kongmu sound-absorbing board is a structural sound-absorbing material with circular holes on both the front and back of the density board. Commonly used for wall and ceiling decoration, especially suitable for music halls, conference rooms, and other occasions that pursue natural style and good acoustic effects.