Offered is the pressed steel cage from the Harman Kardon 330i receiver. Offered is the cage only. Suitable for many different amps or receivers. Side mounting holes are at 9 1/8 inches on center on the sides, 3/4 inch from the bottom edge. Vented on the top center area. Pick up the cage for your own amp, receiver or for a DIY type project. Could be modded or mounted on standoffs. Looks good-it will make your own amp look good. A little over 3 pounds packed up in a big box. Mouse over the photo images to zoom in. NO RESERVE!! Thanks for looking.