With the dohm classic all you have to do is plug it in select from two speed settings and then twist the cap to adjust the. 3 hours of white noise for infants fall asleep fast calming study relax zen focus increase co duration. Health White Noise Sound Classic White Car Horn Deep loud the original sound machine. Dohm white noise . Features of the dohm sound machine. Listen to a sound sample. Great sleep since 1962. The noise reducing sleep inducing magic of our dohm sound machine is just a click away. Speaking frankly the dohm classic white noise machine doesn t do much. Beloved by generations since 1962 the dohm classic model features our fan based natural white noise producing our signature sound the soothing ambient sounds of rushing air without the disturbance of actual moving air. While we call it white noise because that s the most commonly used industry term our dohm products are actually creating pink noise. If you sample white noise brown noise and pink n...