the PEQ allows you to adjust the headphones’ frequency response curve as first seen in the FiiO K17 headphone amplifier. $1,499 is a lot of money for any pair of IEMs (and we’ve seen universal and ...

FiiO has unveiled three cutting-edge audio products at CES 2025, led by the FiiO K17, the world’s first headphone amplifier to feature a touchscreen and full streaming capabilities. Priced at $ ...