If you'd like to order a factory replacement power supply for your Apollo 16 or Apollo 16 MkII online, please see the links from our authorized retailers below:

Sweetwater (US)
Apollo 16 & Apollo 16 MkII Power Supply

Alto Music (US)
Apollo 16 & Apollo 16 MkII Power Supply

Thomann (EU)
Apollo 16 & Apollo 16 MkII Power Supply

Factory replacement power supplies can also be ordered directly from Universal Audio by contacting Customer Support.