Look at the Emotiva XMC-1, this is a VERY capable multi-channel preprocessor and offers the XLR connections you seek. It's only $1995 with 30 day in-home trial and a 5 year warranty - w00t!!
https://emotiva.com/products/pres-and-pros/xmc-1
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https://emotiva.com/products/pres-and-pros/xmc-1
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