T-Power Compatible with 20V SONY Speaker RDPX50ip RDP-X50ip RDP-X60IP RDPX60IP RDP-X80ip ipod Audio Docking System MODEL: AC-S20RDP3A ACS20RDP3A AC DC ADPATER power supply cord T-Power Made with the Highest Quality INPUT: 110V ~240V ( work in U.S ) 19~ 20v V DC 1-year limited warraty. Compatibility: 4890589, 988514312, Ac-s20rdp, Acs20rdp Ac-s20rdp, Rdpx50ip, Rdpx60ip, Rdpx80ip, Rdpxf100ip