How does the sound of the Uno compare to the Dohm Classic? May 12, 2020 15:43 The single speed Uno has a sound comparable to that between the high and low setting of the Dohm Classic. Related articles What is difference between the Dohm Classic and Dohm Natural? What is the difference between the Dohm Uno and Dohm Classic? What is the difference between the Rohm and Hushh? Can the 120V Dohm be used in US military bases in Europe? What is “pink noise”?