With Sony's STR-DE545 driving your A/V system, you're in store for all the thrills digital home theater has to offer! This A/V receiver has super-precise, 24-bit processing built in for Dolby Digital and DTS. Pop in a 5.1-channel DVD and find out what the fuss is all about! This Sony also has the Dolby Pro Logic decoding you need to experience multichannel surround sound from sources like a HiFi VCR or stereo TV.With 100 watts per channel in stereo mode, or 100 watts x 5 in home theater mode, you get the multichannel power you need for sonic clarity, realism, and impact. Speaking of realism, the 'DE545's built-in Digital Signal Processing includes Digital Cinema Sound exclusive soundfield circuitry based on acoustic measurements made at Sony Pictures Studios movie production stages. You'll hear movie soundtracks the way the producers and directors intended! When it comes to connections, the STR-DE545 has you covered. You get 3 inputs for digital sources (2 optical, 1 coaxial), 3 A/V inputs (including one S-video, and one 5.1-channel input) plus 3 inputs for your audio-only sources. A second set of main speaker outputs means you can wire a deck, patio, or separate room for stereo sound.