Bought, was very impressed by the volume. The entire Memorial Day weekend is taken up by my BBQ grill. Everything was great until I went to work. In addition, since I'm no problem with wiring and don't trust sealed connectors too much, I've sealed any possibility of water ingress with sealed tape. Zero problems on the track. Waterproof? Half. heat resistant? Of course not. Play a heavy metal song on a 65 degree morning when it kicks off. Wait, it's working again. The more you ask about it, the more you play around. This is the only item I have ever had to return. I didn't care if it was noisy, I was happy with the street signs. But dead silence is dead silence. Parked, cool.