B-Stock, Allen & Heath AR2412, 24 XLR Mic / Line Inputs, 12 XLR Line Outputs, Cat 5 In/Outputs, Aviom Monitor Outputs, can also be used with the QU mixers, Dimensions 483 x 220 137mm (19" 3U), Weight 5 Kg, B-Stock with full warranty, may have slight traces of use