This Rackmount Bracket Set for ProFX12 & ProFX12v2 Mixers from Mackie is a set of brackets that allows you to install the ProFX12 & ProFX12v2 mixer in a standard 19″ equipment rack. This solution is ideal for permanent installations in recording studios, live venues, and more. Package Weight 3.45 lb Box Dimensions (LxWxH) 17 x 14.8 x 3.6″