The review is based on the MK1 version of the AMP11. As iBasso explained, the MK2 only differs by having a 2A max. output current instead of the 2.7A on the MK1. The full post from iBasso can be read here: https://mk-mk.facebook.com/iBassoAu...1st-quarter-in-2021-global-/4421581614537683/
https://mk-mk.facebook.com/iBassoAu...1st-quarter-in-2021-global-/4421581614537683/