So your options include in-wall, in-ceiling, in-wall/on-wall hybrids or flat panel mount speakers. The focus here is in-wall and in-ceiling products but many of the guidelines I outline can be utilized for all of these speaker types.
Oil of lemon eucalyptus: When the oil of this Australian plant is refined into a substance known as p-menthane-3, 8-diol, or PMD, it becomes an effective repellent that helps ward off mosquitoes. Itâs currently found in the Off! Familycare Botanicals line, as well as under the Repel Natural and Cutter brands.
Many bugs find the scent of essential oils repellant. Roaches are no exception. You can create your own homemade roach spray using completely non-toxic essential oils. The most effective oils at repelling roaches are cypress oil and peppermint oil. To make a non-toxic roach spray, mix 8 drops of cypress oil and 10 drops of peppermint oil to half a cup of water. Spray the mixture anywhere you have roach issues. The added benefit is that these oils smell lovely.