---
product_id: 98605350
title: "Kleinn Air Horns 411 25-Inch Roof Mounted Horn - Copper"
brand: "kleinn"
price: "$264.82"
currency: USD
in_stock: true
reviews_count: 7
url: https://www.desertcart.us/products/98605350-kleinn-air-horns-411-25-inch-roof-mounted-horn-copper
store_origin: US
region: United States of America
---

# 25-inch commanding presence 149.5 dB ear-catching power Universal fit, easy install Kleinn Air Horns 411 25-Inch Roof Mounted Horn - Copper

**Brand:** kleinn
**Price:** $264.82
**Availability:** ✅ In Stock

## Summary

> 📢 Make every arrival unforgettable with Kleinn’s copper-clad roar!

## Quick Answers

- **What is this?** Kleinn Air Horns 411 25-Inch Roof Mounted Horn - Copper by kleinn
- **How much does it cost?** $264.82 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/98605350-kleinn-air-horns-411-25-inch-roof-mounted-horn-copper)

## Best For

- kleinn enthusiasts

## Why This Product

- Trusted kleinn brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built to Last:** Premium materials ensure your horn stays loud and proud through every journey
- • **Compact Yet Mighty:** At just 4.5 ounces and 26 inches long, it’s lightweight but impossible to ignore
- • **Effortless Universal Fit:** Designed to mount seamlessly on any vehicle roof—no hassle, just power
- • **Command the Road with 149.5 dB:** Unmatched volume to make your presence known instantly
- • **Striking 25-Inch Copper Design:** Chrome-plated spun copper for a sleek, durable finish that stands out

## Overview

The Kleinn Air Horns 411 is a 25-inch roof-mounted horn crafted from chrome-plated spun copper, delivering a powerful 149.5-decibel sound. With a universal fit and compact 26 x 6 x 6 inch dimensions, it combines durability, style, and commanding audio presence for any vehicle.

## Description

This 25 inch roof mount horn does not include a valve and requires the use of a solenoid valve or hand pull valve as well as a roof mount air horn fittings kit (part number 330) for operation.

## Features

- Single 25 inches truck horn
- Chrome-plated, spun copper
- Maximum output 149.5 decibel
- 24 inches overall length
- 6 inches overall width

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Kleinn |
| Color | Chrome |
| Item dimensions L x W x H | 26 x 6 x 6 inches |
| Style | Decibel |
| Noise Level | 149.5 dB |
| OEM Part Number | Amazon-FMLC411 |
| Automotive Fit Type | Universal Fit |
| Manufacturer | Kleinn Air Horns |
| UPC | 819147010083 |
| Global Trade Identification Number | 00819147010083 |
| Model | 411 |
| Item Weight | 4.5 ounces |
| Product Dimensions | 26 x 6 x 6 inches |
| Item model number | 411 |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | 411 |

## Product Details

- **Brand:** Kleinn
- **Color:** Chrome
- **Item dimensions L x W x H:** 26 x 6 x 6 inches
- **Style:** Decibel
- **Noise Level:** 149.5 dB

## Images

![Kleinn Air Horns 411 25-Inch Roof Mounted Horn - Copper - Image 1](https://m.media-amazon.com/images/I/41t+KOfRiIL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Long and Horny
*by S***N on May 5, 2021*

Very long loud and horny really makes you feel like your running a train. does require a properly sized hose don't try to operate if you don't have a big enough hose or low pressure. Feed'er 120 from 3/8 line and everyone will hear'er comin form miles.

### ⭐⭐⭐⭐⭐ Function
*by M***R on August 12, 2025*

Loud!

### ⭐⭐⭐⭐⭐ Horns
*by S***  on January 1, 2025*

I had to replace two roof horns and these were a good replacement.

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**Shop now:** [https://www.desertcart.us/products/98605350-kleinn-air-horns-411-25-inch-roof-mounted-horn-copper](https://www.desertcart.us/products/98605350-kleinn-air-horns-411-25-inch-roof-mounted-horn-copper)

---

*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-03-19*