17" x 3-1/4" x 1/8" Wall mount panel designed to mount to 16" center studs with enough room all around to cover the cutout, perfect for the home studio. This unit is pre-punched for 8 "D" series XLR connectors. 4 Countersunk holes at 16" centers with flat head screws provided. Durable black powder coat finish, also available in white. Optional steel back box available soon.