Best controlled power would come from hefty frames. Takes some proficiency to use it though.
RF97
Pure Strike Tour
Ezone 98 Tour
Tfight 305
Gravity Pro
Another way to approach it, are powerful spin-friendly ones. Where you can deliver huge blows without missing the court. However, it's not the line-painting kind of control.
When speaking of powerful frames, I see Ezone 100 and extended length Speed Basilashvili uses