Boss Power Supply How Do I Know Whether Or Not My Amp Has As Unregulated Power Supply?

How do I know whether or not my amp has as unregulated power supply? - boss power supply

I've heard that they are better. http://www.crutchfield.com/S-NWSCo8AkyAG/learn/learningcenter/car/subwoofers_dual.html (An article by the dual voice coil at 1 ohm). I have a Boss DD3600, which is stable at 1 ohm.