**I'm not the first responder** I bought this because I thought it was the best hands-free speaker. the installation is easy. The only problem you might have is finding a way to get the cable through the firewall. Speaker is LOUD I don't use sirens 1. because they are loud AF. 2. I'm not the first responder. The real reason I am writing this is because I had to drive my truck down a flooded road. The water was up to the bumper where my speaker is and I tried it a day later and it's still working!
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