Description Int’l AC Power Supply Adapter/Recharger – 110/240 volt, 50/60Hz. 15-volt center positive, 2 amps, 7-½-ft cord.  For S805A/SW805A amplifiers only.  1-year warranty. (used in Audio Portable Buddy series: SW222A,SW223A, SW224A and Half-Mile Hailer series: S610A, SW610A, SW615A, SW630, SW637, SW640, SW642).