High quality audio/video Distribution Amplifier distributes single source of Composite Video, S-Video and Stereo audio to four destinations with no signal loss. Amplifies signals for cable lengths of up to 150 feet. S-Video and Composite video may be used at the same time, but this unit will not convert between the two. Distribute audio/video signals to four different locations Cascadable design Supports cable runs of up to 150 ft.