New 803d3 owner here. Definitely better sounder than the previous 802 to my ear. Regarding low end extension, the specifications state 19 hz but that is at -3db. 30hz is more like it. Luckily I have pair of db1's which more than fill any gap in the less than 30hz spectrum with aplomb and are perfectly matched. Round about way for D800 performance level but I did own the subs already 🙂 Thoroughly delighted and impressed.
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