The SonicGear Quatro 2 is a compact 2.0-channel USB-powered speaker set with dual 2-inch drivers and bass reflex panels for fuller sound than a typical desktop speaker, delivering 6W total RMS from a simple USB power connection. Finished in Grey, it's a practical volume boost for a laptop or desktop. After comparing online prices, www.marvel.co.za should be the cheapest on this product.