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From the photos I have come across also (although small), the rear of the unit only has the standard 4-phono outputs: Left Audio, Right Audio, Composite Video and Coaxial Digitial Audio. Virtually all DVD players and recorders that I’m aware of decode Dolby Digital since very few DVDs have a plain PCM sound. However, what most DVD recorders do is down-mix the channels to stereo unless hooked up to a digital amplifier.
The main feature you’ll need to look out for is 5.1 decoded channel output or something else that indicates 6 channels of analogue sound.
Finally, just be careful about counting the number of phono outputs on the rear of a DVD Player/recorder, since some devices such as the Lite-On series have component video output, which adds another 3x Phono outputs to the rear. For example Lite-On’s LVW-1105HC+ has 7 phono outputs which from a distance may look like 6 channels of Audio and one video channel, when in fact these consist of L+R Stereo Audio, Composite Video, Digital Audio and 3xComponent Video.