Allen&Heath XB 14 - Manual (Page 34)

FIXING TO A RACK OR FURNITURE
The XB-14 can be fitted to a 19” rack or incorporated into studio furniture using the optional 19” rack fixing kit.
The following pictures give you an idea of how the rack fixing kit is fitted to the XB-14.
Should you decide to purchase the kit, please follow the fitting instructions provided with the kit.
The rack mounting kit part number is: ZED1402-RK19