[Bret L]

In a lot of cases, the pro products are ideal but this has to be
determined on a case by case basis. Certainly they are sometimes much
more cost effective.

The better ones tend to have balanced +4 inputs. This creates an
issue in that most consumer driving gear is single ended and -10 into
a bridging load. If the manufacturers of CD players, DACs and preamps
were serious they would address that,