Powered Stereo Mixer with DSP and two satellite speakers. 200 watt. Check it out here http://www.b-52pro.com/products/Matrix200.htm Has had a very easy life. No instrument. Microphone and iPod only. Power cords, 2 speaker cords, manual. 2 adjustable speaker stands. Up to 6ft. In case it is H-33", W-22", 12" deep. Fits easily in our Smart Car. Case pull handle a little wonky but works.