Viewsonic went all out on connectivity with the N4251w 42" LCD HDTV giving it three HDMI connectors that support HDCP which is fantastic. Those not using HDMI will be glad to hear that you also get coax, composite RCA, component HD and S-Video connectors as well. A 3.5 mm mini stereo audio in/out also allows you to use headphones or connect your PC sound output to the TV speakers. You also get an SPDIF out for digital audio.