Taking a look at the RM-4+:
RM-4+
It is a standard MM to line-stage phonoamp. However it is missing the low-out MC to MM part. So it should work for your high-out Blue Point MC.
RM-4+
It is a standard MM to line-stage phonoamp. However it is missing the low-out MC to MM part. So it should work for your high-out Blue Point MC.