“ Never have I found an audio component that costs $1000 with benefits as big as that shown by the Audiophilleo. I have not tried using it without the PurePower upgrade (as it is an irreversible upgrade), but the combination of an AP2+PP results in detail I never thought my system had the capability to expose. ” --absolutk
“ Some years ago I upgraded the clock in a fairly inexpensive DAC experimentally and realised the importance of the quality of the digital input to the quality of the sound output. It wasn't long after that a number of companies came out with digital converters, especially USB ones, since the quality of USB inputs in DACs at the time was generally poor. They also allowed older DACs...” --Currawong
Audiophilleo’s PurePower VLN (very low noise) Digital Power Pack is an optional battery based power supply for the Audiophilleo1 and Audiophilleo2 transports.