If sound quality is paramount, I agree it's better to find something used if you don't need the latest, greatest features. Personally, I'd try to negotiate this Anthem AVM40, then stick a crowbar in my wallet and just buy it as long as it meets your needs. Retailed for $3700 new.
https://www.ebay.com/itm/192894634996?ul_ref=http%253A%252F%252Frover.ebay.com%252Frover%252F1%252F7...
https://www.ebay.com/itm/192894634996?ul_ref=http%253A%252F%252Frover.ebay.com%252Frover%252F1%252F7...