Brand name : globalstar Model number : gs-3305 Type : professional amplifier Input sensitivity:=70db voltage :ac90v- 260v dc:12v/50/60hz Channels : (3.1channels) Material : wooden & plastic Output power : 40w 15w*3 speaker unit : 6.5′′x1 3′′ *3 Usb slot, remote controlled, fm radio tuner, SD card slot, Bluetooth speaker
