HomeAcousticSound MaskingCeiling Speakers Ceiling Speakers Sound masking generators have been used for personal application for many years. There are several devices for home, hotel, or air travel, primarily for sleeping. There are several devices for home, hotel, or air travel, primarily for sleeping. Category: Sound Masking Product ID: 18378 Related products Add to WishlistRemove from Wishlist Add to Wishlist Revolution Acoustics Invisible Audio Read more Add to WishlistRemove from Wishlist Add to Wishlist CALL CENTER Read more Add to WishlistRemove from Wishlist Add to Wishlist Sound Masking System Speakers Read more