Home theater doesn't have to be hard. The HT-S3100 from Onkyo is an easy to set up system that is a great introduction to home theater systems. The 5.1 channel receiver is Dolby and DTS certified so you can hear the movies the way they were meant to be. Onkyo's CinemaFILTER technology adjusts the tonal balance of the soundtrack to take into account room size..