Sommer cable 581 0204 speaker cable green sheath sommer cable 581 0204 p the sommer cable 581 0204 is a sc mercator extend signal transmission cable with a simple construction the runtime of this cable is minimal when compared to individual wire pairs this characteristic is commonly known as skew free p p the cable is perfect for extender technology especially for video and kvm extenders one pair each symmetrically transmits the individual vga signal colours red green and blue