Cayin RU7 Review – 1-Bit DAC For The Masses Cayin is one of the top HiFi audio brands from China. They are known for their premium range of products specializing in headphone amplifiers, portable Android digital audio players, portable USB DAC/AMPs, and more. Quite recently, Cayin has introduced its brand new portable USB DAC/AMP, the Cayin RU7. RU7 comes as a successor to the award-winning RU6 and upgrades it with a fully discrete pure 1-Bit R2R ladder array DAC architecture. It is … Continue reading Cayin RU7 Review