---
product_id: 37906726
title: "HELLA 940800821 Black 24V BX Trumpet Horn Kit (Universal Fit)"
brand: "hella"
price: "R$67"
currency: BRL
in_stock: true
url: https://www.desertcart.com.br/products/37906726-hella-940800821-black-24v-bx-trumpet-horn-kit-universal-fit
store_origin: BR
region: Brazil
---

# 24V / 3A power efficient Dual-tone 510Hz & 410Hz 110 dB piercing sound HELLA 940800821 Black 24V BX Trumpet Horn Kit (Universal Fit)

**Brand:** hella
**Price:** R$67
**Availability:** ✅ In Stock

## Summary

> 🚨 Own the Road with HELLA’s Unstoppable Horn Power!

## Quick Answers

- **What is this?** HELLA 940800821 Black 24V BX Trumpet Horn Kit (Universal Fit) by hella
- **How much does it cost?** R$67 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.br](https://www.desertcart.com.br/products/37906726-hella-940800821-black-24v-bx-trumpet-horn-kit-universal-fit)

## Best For

- hella enthusiasts

## Why This Product

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

## Key Features

- • **Dual-Tone Acoustic Power:** High 510Hz and low 410Hz tones combine for a rich, penetrating sound that stands out on the road.
- • **Command Attention Instantly:** 110 dB sound level cuts through any noise, ensuring you're heard when it matters most.
- • **Precision German Engineering:** Crafted with over a century of HELLA’s automotive expertise for unmatched reliability and durability.
- • **Built for the Safety-First Driver:** Designed to meet strict ECE standards, delivering performance and peace of mind in every honk.
- • **Universal Fit, Effortless Install:** Includes M8 screw bracket and flat blade connectors for seamless integration on any 24V vehicle.

## Overview

The HELLA 940800821 Black 24V BX Trumpet Horn Kit delivers a powerful 110 dB dual-tone sound (510Hz high, 410Hz low) engineered with German precision for universal 24V vehicle fitment. Built to exceed safety standards and crafted for durability, this horn kit ensures you command attention in critical moments with a sleek, modern design trusted by automotive leaders for over 100 years.

## Description

HELLA 940800821 Black 24V BX Trumpet Horn Kit (Universal Fit)

## Features

- Hella's ultra-reliable trumpet horns look and sound like nothing else on the road. These horns guarantee the attention needed in critical situations.
- Trumpet horns are for the performance oriented driver for whom a high level of safety combined with great design and high quality is key.
- HELLA horns guarantee best functionality, optimum fit and long lasting customer satisfaction.
- Original equipment quality horns you can trust from a global leader in automotive technologies for more than 100 years .
- Trumpet horns come with a M8 screw horn bracket and with flat connections of 6.3 mm, open, blade type.
- High tone: 510 Hz - Low tone: 410 Hz - Sound level: 110 dB(A) - Voltage / Amps: 24Volts/3Amps
- Application: UNIVERSAL; Kit includes: 1 high-tone 510Hz horn, 1 low-tone 410Hz horn

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Hella |
| Color | Black |
| Item dimensions L x W x H | 7.68 x 3.54 x 4.72 inches |
| Style | Modern |
| Noise Level | 110 Decibels |
| OEM Part Number | 940800821 |
| Automotive Fit Type | Vehicle Specific Fit |
| Manufacturer | HELLA |
| UPC | 760687164197 |
| Global Trade Identification Number | 04082300558913 |
| Model | 940800821 |
| Item Weight | 1.4 pounds |
| Product Dimensions | 7.68 x 3.54 x 4.72 inches |
| Item model number | 940800821 |
| Exterior | Machined |
| Manufacturer Part Number | 3FH 940 800-821 |

## Product Details

- **Brand:** Hella
- **Color:** Black
- **Material:** Plastic
- **Item dimensions L x W x H:** 7.68 x 3.54 x 4.72 inches
- **Voltage:** 24 Volts

## Images

![HELLA 940800821 Black 24V BX Trumpet Horn Kit (Universal Fit) - Image 1](https://m.media-amazon.com/images/I/51ROFyadYUL.jpg)

## Available Options

This product comes in different **Color, Edition** options.

## Frequently Bought Together

- HELLA 940800821 Black 24V BX Trumpet Horn Kit (Universal Fit)
- HELLA 002768821 Black 92mm 24V Disc Horn Kit (Universal Fit)

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**Shop now:** [https://www.desertcart.com.br/products/37906726-hella-940800821-black-24v-bx-trumpet-horn-kit-universal-fit](https://www.desertcart.com.br/products/37906726-hella-940800821-black-24v-bx-trumpet-horn-kit-universal-fit)

---

*Product available on Desertcart Brazil*
*Store origin: BR*
*Last updated: 2026-01-24*