Use the NT knife to line the top andbottom surface of the board couple times during cutting by the stone saw or electric cutting machine .Separate outwards the decorative/top surface and grind smoothly the rupture side.
Use the electric driller to open the smallhole. Use the hole saw to open the hole for installing wire and pipe directlyor drill some small holes first and then saw the hole.
Use the knife and sand paper to process well the hole after cutting and drilling.
After filling sealing damping glue. Fixed installation the acoustic panelwith flat self tapping screw.