1)Stereo sound 2)Powered HI-Fl amplifier 3)3D stereo sound effect 4)RMS power: 2x3W 5)Meas:45*40*54cm Pcs/ctn:50 G.W.:15kgs Fronttek,offering all kind of computer peripherals such as Mouse, Keyboard, Multimedia Speaker, Headphone, Card Reader and Digital Audio & Video products such as Mp4, PSP,DVD-T TV and Portable DVD player.