The Kraun Easy Sound System 2.0 powered speaker kit is a space-saving audio solution. The two speakers have a compact and versatile design that allows you to save space on the desk and provides perfect sound to multimedia applications of the personal computer. The overall RMS power is 6w with an impedance of 8 ohms. The cases are made of plastic and are black with silver finishes that give a pleasant and elegant design. They have an ON / OFF switch, volume control and headphone socket. Mains power supply.