FiiO X3 is for audiophiles who find their phones underwhelming

The booming personal audio sector has led to the rise of companies like FiiO that specialise in products such as headphone amplifiers and digital audio players aimed at consumers who aren’t satisfied with their smartphones.

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The booming personal audio sector has led to the rise of companies like FiiO that specialise in products such as headphone amplifiers and digital audio players aimed at consumers who aren't satisfied with their smartphones.

Most smartphones can be turned into nifty digital audio players by downloading tricked out music players like Poweramp (for Android phones) and Onkyo's HF Player (for iPhones) but even they can't usually handle demanding headphones or IEMs.