Sturdy 14ga Steel Construction Hinged Lid With Cable Access Metal Insert Dimensions: 8.25" x 6" 12 XLR Female PREWIRED Sturdy 14 Gauge Steel Construction Hinged Lid Cover with Cable Grooves Solid Metal Plate Insert is Mounted with Screws Metal Plate Insert Dimensions are 8.25" x 6" Hole cutout dimension: 6.5"x8.75" Not handy with a soldering iron? No problem! This comes prewired with pigtails coming out of the box. Simply plug regular mic cables into the color coded pigtails.Did you just purchase a fancy new digital mixer that sits at the stage but wish you had a way to clean up the mess of wiring running across the stage to it? This is a great solution allowing you to install the box and simply run mic cables under your stage over to the digital mixer.