A good dongle DAC starts with its DAC chips but top performance entails so much more, HiBy Music prove with FC4. Their latest balanced 4.4mm dongle supplied by dual ESS Technology ES9218PC DAC chips, with analog volume control aboard.
In this way HiBy claim 340 milliwatts of power and yet maintain 123dB of signal-to-noise ratio, for music player levels of detail and fidelity even from USB's 5 volt supply.
Headfonia say "it's simply too good ... sound quality is superb, build quality is praise-worthy". FC4's value proposition is so serious Audiophile-Heaven puts it top of the heap at its price. Headphonesty give it near-full marks. [See Product Desc. For More]