Forbes

FiiO Reveals First Desktop Headphone Amp With Four-Channel 24-Bit R2R DAC

The engineers at FiiO don’t appear to sleep. Hardly a day goes by without another product launch being announced by the audio brand. The latest is the FiiO K11 R2R – a desktop DAC and headphone ...
Forbes

FiiO’s K11 R2R DAC Amp Sets New Standards For Headphone Listening

Audio specialist FiiO has been launching new products at pace this year. The latest product from the brand is the new FiiO K11 R2R desktop DAC/amplifier which is perfect for those of us who like to ...
ecoustics

FiiO K11 R2R Review: Is This the Budget King of R2R DAC/Headphone Amps?

Is the FiiO K11 R2R the most musically engaging DAC/headphone amp under $200, blending R2R texture with real-world balance at $175? This is also the moment we’re living in: desktop DAC/headphone amps ...
EDN

Understand the differences between R2R and String DAC architectures

Since most engineers went through intensive course work in engineering school studying the analog-to-digital converter (ADC), operational amplifier (op amp), digital-to-analog converter (DAC) and ...