Marcelo reviews the HiBy W4, a new Bluetooth 5.4-capable portable dual DAC and headphone amplifier offering up to 475mW of output power. It is currently priced at $99.00. Disclaimer: This unit sent to me was purchased for this review. Headfonics is an independent website with no affiliate links. I thank HiBy for their support. You can click here to read more about the HiBy products we have previously featured on our website. This article follows our latest scoring guidelines, which … Continue reading HiBy W4 Review