![]() ![]() The pad reduces any humming noise from the AC motor. This pad isolates the 580 from the surface you set it on. The Marpac 580A SleepMate comes with a foam rubber pad on the bottom. This feature matches the 580 to about any sleeping situation, room acoustics, types of surrounding noise, Etc. These settings alter the timbre of the white noise. Plus, it has a side ring that turns too, separately. There’s also a top disc adjustment that you can spin. Then spin the lid and sleve to shape the white noise sound. All these noises, the 580 screens out quite well for such a small device. ![]() The cars passing over rumble strips outside. The Marpac 580 SleepMate blocks lower frequency sounds fairly well too, although this could be better. It best masks mid-range and high-frequency noises. ![]() Just one did not cover up the kinds of noise we often heard. But with our sensitive ears, we needed more 580s. The 580 blocks intruding noise well for moderately quiet environments. Marpac 580 SleepMate Benefits, Features, Advantages, and Pros Masks Ambient Noise Well That sound lacks bass a big part of white noise that works. But those digital sound screens make a “tinny” noise. Like the 980A, the 580 creates a robust, pleasing white noise. We prefer the motorized 580 white noise fan over the digital units. It has similar white noise sound to the dual-speed SleepMate 980A, reviewed elsewhere. The Marpac 580A SleepMate sound conditioner offers the best white noise sound of the devices tested. We then ran it for a few months in the bedroom, without ill effects. We’ve bought the Marpac 580 SleepMate white noise sound conditioner for review. ![]()
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