Excerpt: The Onkyo HT-S4100 as you may know is a home theater system. Usually comes complete with an Ipod dock. Customers claim the Onkyo HT-S4100 is preferable above the HT-SR700 because the S4100 has a more home attractive black glossy look to it. The HT-S4100 has 5.1 channels and delivers approximately 750w of sound. 4 Composite inputs and 1 out, 2 digital optical and 2 coaxial along with the 3 component video.