Grumpy Old Geeks Products Marpac Dohm-DS Product Marpac Dohm-DS 2 mentions in 1 episode A sound conditioner that one host uses to mask noise while sleeping. Mentions 63: Yo! Can I have a quarter? Jun 20, 2014 1:02:43 I got the Marpok dome DS dual speed sound conditioner 1:03:33 I slept like a baby with this thing.