With respect to the speakers, it’s a very large “room” outside and you’ll need much more power to fill the room at a given sound pressure level than in a small inside room. You could help the situation somewhat by mounting the bright lamp high above the area, but there will be more “spill” on to neighboring property. If you attempt to use a single lamp to cover a large area, the lighting will be too bright near the lamp and too dim farther away. Adding another lamp to a circuit does not significantly dim the other lamps.Īgain, using the lamp-speaker analogy. The lamps and speakers are not aware of each other, but if enough lamps or speakers are added to the circuit, the circuit will become overloaded. Adding another speaker to a circuit is similar to adding another lamp to a circuit. I am considering adding more speakers in my backyard, but mostly because I like projects like that and because I could get more even disbursement of sound, not because it’s not loud enough overall.

So I definitely think you’ll be happy with 4 speakers over two back there. You don’t want it to be too loud in one spot, drowning out conversation, while it’s too quite on the other side of the pool.

You generally are going to want more speakers at lower volume to get better distribution in the overall space. Part of that has to do with the outdoor environment and partly because there isn’t going to a specific area that people congregate. I’ll put it this way, for a pool environment, 4 speakers is almost always going to be the better option than 2. A lot of loud it sounds will depend on the speakers used and how efficient they are, where you are located related to the speakers, what environment you’re in for sound to bounce off walls, etc. From what I’ve observed, yes, you’re getting less volume from your speakers when you connect 2 vs 4….but it does not appear to be cut in half as you might expect.

I wouldn’t say it’s quite that simple, and I’m not going to claim a know all the science of all that goes into how loud music sounds. Is this because of the 4 vs 2? So would they be louder with 2 since the signal is only split between 2 rather than four speakers? In regard to this comment: The only real issue you may find is that the speakers aren’t getting as loud as you’d like, which is a matter of the size of the space and personal preference.

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