CQ-DVR909U is the receiver, which brings you both DVD-Video and the world's most advanced music media experience - DVD-Audio. It includes features that multi-channel reproduction demands, from built-in center speakers, to a Dolby Digital Decoder. The secret behind the incredible audio engineering is Panasonic's LSI technology, which puts all key audio and video functions in one chip. These include the DVD-Audio decoder, MPEG2 video decoder, DTS decoder and Dolby Digital decoder. You have the option to install an additional CD changer in the CQ-DVR909U, allowing the passengers in front to enjoy one audio program, while those in back enjoy another. By shifting the rear speaker sound to the front, and putting the rear passengers' program on wireless headphones, each group can listen to their desired audio without distraction. The CQ-DVR909U has its own built-in flip-out center speaker - a function essential to DVD-Audio Multichannel reproduction and DVD-Video 5.1ch surround. A monitor and subwoofer are all yo...