Let's start with the good: very loud, especially with two speakers connected. Wiring and installation are easy. Normal siren tones are good and clear. The device is small enough to simplify installation and gives you plenty of mounting options using the mounting holes provided. Now for the cons: the sound of a siren is at a lower level of the original audio signal than sirens. I needed the horn to be louder! Secondly, the accessory sounds and audio recordings of the files are cool, and the sound seems to be coming through the speakers. Their file signal level is also lower, so they're not as loud over the speakers as they could be. Various commands/prompts, when louder, can be very useful in a button application. The PA microphone is so big that it cannot be mounted. It's easily twice the size it should be. Now everything is said. I think this is a good device for the price and features. I'm happy with that.
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