HK Train Horn Air Horn for Truck, 12V 150DB Snail Electric Train Horn with Automotive Relay and Wiring Harness for Any 12V Vehicles Trucks Motorcycle, Black

I love these Horns super load and arrived very quickly

These are definitely louder than the Stebel Nautilus I replaced these with. Tone is also higher pitched, like a shriek. These are NOT "150 db" from a distance that we would use on a daily basis, however. IF they are, they would cause terrible hearing damage. But if you look at the marketing of all the other brands (Hella, Stebel, etc), their 118, 120, 130db ratings are measured from INCHES away from the unit. Stebel rates their 130+db Nautilus at 110db at 2 meters (a little over 6 feet away). Construction is very similar to the Stebel. Time will tell if these will last - the Stebel lasted about 10 years before the pump seized up. For the money, if these last even 5 years of regular use, it would be worth it IMO.

The media could not be loaded. This is very loud, straight foreword installation. The horn mounting bolt/bracket is useless in my situation- minus 1 star. Cable tie holding the horn until I figure out a solid mount.Loud enough to get the neighbors coming out and all the dogs barking. Good bang for the buck.I wanted a loud horn for a 1 ton Chevy van and a snail type was about all I had room for. Fortunately it was near the battery (No extending wires). I wanted it separate from my regular horn and got a momentary pushbutton switch and power distribution battery terminals. Instead of blue and white wires going to the regular horn terminals, I ran 12v through the switch to activate the relay and sound the horn. I mounted the switch on the dash and it looks and sounds good.

The media could not be loaded. As always I read the reviews before I purchased and there is always 1 bad one, but this thing is the bomb. Instructions are through, I installed it on a motorcycle so the wires were the perfect length, if I had installed it on a pickup I can see where the positive wire may need extended. It's super loud, whoever says its the same or just a little better than the horn they are replacing must of had a good horn to begin with, it's not as loud as a dual horn semi but is definitely louder than a single horn on a semi, I know because I have both, Im going to replace my electric horns on my trucks with this one, it's that loud!!!!! You wont be disappointed.

This horn REALLY BLOWS!!! BARELY!!! (haha, pun intended) I have bought this type of horn from a different manufacturer several times and all of the ones I bought from that manufacturer were great and plenty loud. However, this horn, from this manufacturer, is so weak that instead of blowing, it SUCKS!!! (once again, haha, pun intended) The factory horn in this vehicle was louder than this hunk of junk. Heck, I think my daughter's bicycle horn is louder than this thing. I bought this one because it was a couple dollars cheaper and delivery was promised a couple days sooner. I wish I hadn't let my penny pinching and impatience get the better of me. Don't blow your money on this horn. (oh, how do you like that? for the 3rd time in one review - haha pun intended)

... It produces a fairly high pitch double sound more akin to Italian high end cars. Plus I doubt it's 150db. I haven't confirmed this with a meter, but I have experience in sound work and use of db meters. 150db would be insanely loud, this is just pretty loud.Having said this, it serves my purpose of waking up idiots trying to cut me off.UPDATE: after about 2 months it stopped working. Immediately obvious was culprit # 1, the relay was completely corroded. No surprise really, given that it's not a solid state, sealed type and not meant for the under hood exposed environment. I swapped the relay for a proper one, still no go. Testing the compressor... dead.So all in all, even if you use a different relay other than the one supplied, better buy several horns since most likely you'll have to replace it every few months.

The horn needs a lot of room to be able to install it. I have Installed this on two vehicles, the wires going to the battery ( hot and negative ) are cheap copper , the holes need to be bigger as well. If you want to connect to battery terminals. The two wires that connected to your original car horn are extremely short. . You will need to add more wire with this set up, and more end connectors. The horn its self is loud. It's just the setting up and Installing could be a lot better

Perfect to replace the ridiculous OEM horn on my 07' Miata MX5! Didn't even have to cut any wires just unplugged the old horn mounted this one with included bolt and hardware, plugged in the power lead and mounted the ground....done! Super loud! Just what I was looking for and doesn't tke up a lot of real estate!