Review: FiiO F9 Pro – Optimus Prime

By | February 7th, 2018|Categories: Headfonia|Tags: , , , , , , , , , |

Disclaimer: The FiiO F9 Pro was delivered to me directly from FiiO as they're one of our site advertisers. The price seems to be 139$ for now, 40$ more than for the standard F9. 


When I reviewed the FiiO F9, I was impressed by the sound quality and especially the build & design for 99$. FiiO certainly knows how to make bang for buck products as we know them for a long time now. But they also want to step up to the next level and quickly improve with each product they launch.… Read the full article