Cayin RU7 review of the USB DAC/Amp Dongle
Upgrade for cell phones and tablets makes hi-fi headphones mobile
The Cayin RU7 surprised in our review: The tiny USB DAC is smaller than a pack of chewing gum, but it sounds like a big headphone amp.
The Cayin RU7 surprised in our review: The tiny USB DAC is smaller than a pack of chewing gum, but it sounds like a big headphone amp.