Shure PS41 In-Line Power Supply Input: 120 VAC, ~60Hz, 15W Output: 15 VDC 600mA Output Cord: 72 in. (1.83 m), 22 AWG (0.33 mm^2) two conductors stranded wire flat cord type DC Connector: I.D., 0.067 (1.7), O.D., 0.157 (4.0), tip positive Dimensions: 3.5 in L x 2.0 in W x 1.0 in H (89 mm L x 51 mm W x 25.4 mm H)