This item has been replaced by the Marpac Dohm-DS -- new name, same great machine, same great white noise.
Tried and true simple, pleasant, effective, durable. The Marpac Marsona SleepMate is the most popular white noise sleep machine in the world. The 980A offers two speeds, which means a choice of two volume levels, and is the better choice for customers seeking a high-end, basic machine. Do you use a white noise machine for sleeping? White noise is excellent for blocking out noises that can disturb your sleep -- from snoring and noisy neighbors, to traffic noises and thunderstorms.