For new impressions, technical details and all things sonic. no unboxing videos please. https://www.monoprice.com/product?p_id=38967 "The Liquid Gold X is a smaller version of Cavalli Audio’s most popular amp, the Liquid Gold. It is a fully balanced, differential front-end, solid state amplifier. In addition to the great analog sound of the original Liquid Gold, this amplifier includes a built-in fully balanced DAC section based on the AKM 4493 DAC. It has two gain settings and features USB, Coaxial, and optical digital inputs, as well as balanced and unbalanced analog inputs. The Liquid Gold also introduces our new MCU based products with computerized control of all the amp features including turn on sequencing and DC offset detection, giving you nearly everything you need in a single, compact package. "