TOPPING E4X4 Pre Professional USB Audio Interface

Amazing quality audio interface, and not only for the price! It beats straight many interfaces costing much more! Super happy with the purchase and the very fast shipping! A+++++

Incredible .. i accidentally posted the other way around on the products

Great interface for the price

This is a solid USB Audio Interface. SNR is very acceptibe. Headphone amp is exceptional for an interface in this price range. OTG makes it a very very versitile device, useful in a number of situations.