brand name :... Saachi 3.1channel multimedia speaker. model number :... NL-SP-2680 input sensitivity:=70db voltage :... ac90v- 260v dc:12v/50/60hz channels :... (3.1ch) material : wooden & plastic output power : 60w+15w*3 speaker unit : 6.5"x1+3" *3 super x-bass with dolby audio output FM Radio Tuner usb slot sd card slot