Technically a class H power supply.
https://en.wikipedia.org/wiki/Power_amplifier_classes
https://www.stereophile.com/content/benchmark-media-systems-ahb2-power-amplifier
Having had Hypex N-Cores the sound is totally different.
See the.
Noise spikes from the psu, though most will say Pah. post 100 KHz.
Even a bat cannot hear that.
I can hear a difference of improvement over my previous N-Core mono's and Neurochrome mono's
albeit slight.
Whether that be from the power supply, or output stage I have no idea.
I have heard a Gryphon class A amp in a system for comparison, and as I don't have the £ 48 K needed for that, the £ 2 K I paid for the Benchmark is remarkably close in sound. (without the need for a forklift truck to carry it)
And uses - no electricity, somehow, as it barely gets warm.
If Si is travelling oop north I will send up for you to listen to.
Very little can be fixed inside though.