Also, depending on where you live, there may be rules about blasting music on your property past a certain hour at night. Outdoor speakers that are installed under eaves or a covered patio are one of the most common. That's the civilised way to do it. Check that the speakers are not physically damaged. Listen to the speakers before mounting them.
So one other option for covering wider areas with audio is to install in-ground speakers.
Tips to Select, Install, and Connect Outdoor Speakers
Home Theater Sonos Beam vs. We've got the best 4K TV deals right here. Which one is right for you? If you are mounting more than one pair of loudspeakers on the same wall, remember to alternate left and right channels. Anything can happen anytime, so make sure what you choose is designed specifically to be weatherproof.