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The Wolo 820 produces a powerful low tone truck horn sound. All metal construction, chrome plated throughout so to withstand the extremes in all weather conditions and to provide years of dependable service. Provided with the horn is a metal front pedestal support that is chrome plated. The support will help to eliminate trumpet vibration at high speeds and on the roughest roads. A front deflector cover provides protection against rain, road dirt, snow, and bugs from entering into the horn’s trumpet, protecting the sound and your investment. The air feeder hose connection is made through the base of the horn and is not externally visible. Installation of the high-pressure airlines is made easy with Wolo’s new flexible inlet hose with brass fittings. The Giant’s beautiful chrome appearance will look great on any truck big or small, providing an alerting sound that will be heard. The kit includes, stainless steel mounting hardware, flexible inlet hose, and rubber gaskets for a watertight installation. Instructions in English / Spanish.
From the Manufacturer
The Giant produces a powerful sound to be heard. It is made with two sturdy roof supports that eliminate trumpet vibrations on the roughest roads. A front deflector cover provides protection against rain, road dirt, snow, bugs, etc. from entering the horn trumpet, protecting the sound and your investment. The air feeder hose connection is made through the base and is not externally visible. The Giant's beautiful chrome appearance will look great on any truck, and its superior performance will provide an alerting sound for a greater distance. Requires an on board air system. All needed mounting hardware is included. Spanish instructions included.
SPECIFICATIONS
- Size Model 820: L 28 in. x W 8 1/4 in. x H 4 1/2 in.
- Size Model 825: L 24 1/4 in. x W 8 1/4 in. x H 4 1/2 in.
- Sound output with 90/100 psi: 130 db
- Air inlet fitting: Brass
Shawn T. And Donna Callis
Reviewed in the United States on November 2, 2024
I purchased a little over a year ago and installed on the underside of my ram pickup basically right under driver. Works fine and has held up to road grime from/to/from Alaska. If you do what I did, you will need an air source and an air valve.
Satisfied customer here.
Reviewed in the United States on January 23, 2024
Nice
AaronS
Reviewed in the United States on July 19, 2022
The horns are great sonically. However, after a year + on a RV roof, they've started rusting, and the logo has faded to being illegible. I don't mind the logo fading, wish it wasn't there to begin with. However the rusting patina has me debating replacements, despite the perfect functionality.
GFY Express LLC
Reviewed in the United States on March 22, 2021
Do Not Buy these horns. I installed 2 low tone and 2 high tone horns on my Freightliner ($400 worth)in September 2020. Here we are in March 2021 and all 4 are PITTED like an old car parked outside since it was built. WOLO has found the cheapest possible chrome plating process in history. VERY DISSAPPOINTED
Timothy Herbert
Reviewed in the United States on April 14, 2015
Very nice but to large to mount on car
Ali
Reviewed in the United States on September 2, 2013
I really like the sound I desided to instal out side of our 2013 volvo 780 but because of some problem I put it under the cab so unfortunately I don't have the view of horns but I still like them
jim
Reviewed in the United States on February 26, 2013
better than the one it replaced. looks good also. almost a perfect fit for the holes left by the old horn.
Ship it
Reviewed in the United States on March 9, 2009
This horn sounds exactly like a Carnival Cruise ship horn(no exageration)! You will not find a louder "low tone" airhorn for the money, I've looked! (130dB @ 100Hz, 100-120PSI input)
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