Audio Board for Krypton Power Supply Box AB-PB1 Used Item Used for about six months and has a few minor scratches on the edges. Also, there are footprints from the power supply box that are difficult to see in the photos. The iron ball sand structure prevents electromagnetic noise from equipment and absorbs external vibrations. Width 330mm Depth 170mm Height 22mm Weight approx. 1.9kg Original price: 11,000 yen Thank you.