SMPS with approx. +/- 30 volts and 30-60 watts (also +/- 18-32 volts) wanted.

I'm looking for a dual SMPS with approximately +/- 30 volts and 30-60 watts.

In general, it seems very difficult to find dual SMPS with voltages of +/- 18-32 volts and 20-80 watts.
If anyone has any tips or sources, I would be very grateful.