T-Power (+,-18v) Ac Dc Adapter Compatible with Bose SoundDock Series 2, 3, II, III (ONLY) 310583-1130, 310583-1200 Music System PSC36W-208 : Wireless Speaker Charger Power Supply NOT 4-PIN Adapter T-Power - Brand-new Input Voltage Range: Input Volt Range: 110-240V / Output Max: +/-18V 1A COMPATIBILITY: Bose SoundDock Series II 310583-1200 and Bose SoundDock Series III 310583-1130 ( ONLY ) Model: PSM36W-208 PSC36W-208 P/N: 309612-001 309612-003 309612-104 293247-004 ## Note ! (Check Connector Photo) / (with Barrel Round Plug Tip as the Image. NOT 4-Prong Connector ) ! PLEASE NOTE: This AC Adapter does NOT fit SoundDock Series ONE !