Connect up to 2 AV input devices and 4 output devices Works with cable-TV box satellite TV receivers DVD player laser disc players video game console camcorders VCR and input devices Works with TV sound system home theater and output devicesSupport both S-Video and posite video connections for optimum picture quality Provides flexibility by allowing user to connect more sources than TV has inputsSupport up to 4 stereo audio connections with RCA jacks for left and right audioSimple switching with 4 input selector buttonsAVS-41 is a passive device and it does not require power from batteries or AC power socket