There is a video of an air raid siren test in South Korea, and from what I remember it sounded more of a Wandel&Goltermann. The distinctive horns this one has, looks like a WandelGoltermann K-SE.
Germany and I suppose Switzerland too has had a number of these dotted around their countries. South Korea supposedly got an order of these in for the system because of North Korea.
EDIT: After finding a specific model to get the wattage of each horn, a K-SE 600 sports 4, meaning it uses 150W drivers. There's 24 in that streetview so it's a W&G K-SE 3600 surely.
Thanks! I found a bunch of these some at the coast and some in just random cities! now I know its a W&G because they looked similar to the W&G but it didnt click that it was it.
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