The WB1B wall boxes have removable side and bottom panels for connector mounting. Plates are supplied blank and can be punched with unlimited configurations of connector layouts. The side plates will hold a maximum of twelve XLRs each. This box installs between wall studs with standard 16" centers. The door may be mounted to open to either side, it swings completely open for accessing the interior and features an open slot at the bottom so that it may be closed with cables plugged in. It comes either in gray primer, ready for paint or in black textured powder coat.