Adjustable DC Power Voltage Converter AC 110V-220V to DC 0-48V 0-10A Module 48V 10A Switching Power Supply Digital Display 480W Voltage Regulator Transformer Built in Cooling Fan (DC 0-48V 10A)

Great item as described highly recommend

Use it for driving 3e-audio TPA3255 power amplifier. It does this extremely well. Fan kicks-on every once in awhile, it's a but loud, but it doesn't happen often. It's off my a few tenths according to my voltmeter, but close enough for most uses.