Topping unveils with its U90 a powerful digital interface, allowing to take advantage of a wide range of outputs, while supporting high resolution audio streams and embedding an optimized architecture to maintain the integrity of the original signal.

The input is simply done on USB-B connector. The U90, is also not stingy as for its outputs. There is in fact an I2S LVDs output on HDMI connector, two coaxial outputs, two AES outputs and two optical outputs. Enough to satisfy the great majority of the current uses for this type of device.