Features RJ11 jack allows easy connection to phone for communication or testing. 5-way binding posts accept banana plugs vertically or horizontally, dual or triple banana plugs vertically or horizontally, bare wire via through-holes, alligator clips or spade lugs. XLR jack enables connection to audio cable links or broadcast system panels. Gold plated contacts and binding posts for excellent conductivity. ¾ Spacing between banana jacks allows dual or triple banana plug connections. Cross holes have large (0.150 ) diameter for easy wire access. Rugged body exterior.