ORIGINAL: Bad_Daddy
The Phoenix 60 is a great quality ESC, and I don't think there is any ESC that can run 4S with the BEC working.
I agree the Phx-60 is a great ESC but the Scorpion speed controls are rated to 4S lipo out of the box.
http://www.brushlessflight.com/speed-controls-c-6.html
My friends and I use several of these ESC's with no issues so far. Check them out, I will be getting more.