Marpac White Noice Machines On Sale Today Posted on May 19, 2019 by Jeri The prices listed are valid today, May 19th, only. Marpac Hushh White Noise Sound Machine for Baby: $19.99 Marpac Dohm White noise machine | 101 Night Trial & 1 Year Warranty | Soothing sounds from a real fan helps cancel noise while you sleep: $37.46 Share the love: