---
product_id: 339208909
title: "Hella 940800821 Black 24V Bx Trumpet Horn Kit (Universal Fit)"
brand: "hella"
price: "KSh21739"
currency: KES
in_stock: true
url: https://www.desertcart.co.ke/products/339208909-hella-940800821-black-24v-bx-trumpet-horn-kit-universal-fit
store_origin: KE
region: Kenya
---

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

**Brand:** hella
**Price:** KSh21739
**Availability:** ✅ In Stock

## Summary

> 🚨 Sound the Signal: Be Unmissable, Be Unstoppable!

## Quick Answers

- **What is this?** Hella 940800821 Black 24V Bx Trumpet Horn Kit (Universal Fit) by hella
- **How much does it cost?** KSh21739 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.ke](https://www.desertcart.co.ke/products/339208909-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

- • **Sleek Machined Exterior:** Not just functional—its refined black finish adds a bold, professional edge to your vehicle’s profile.
- • **Precision Dual-Tone Design:** High 510 Hz and low 410 Hz tones create a unique, unmistakable alert 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.
- • **Universal 24V Compatibility:** Seamlessly fits any 24V vehicle with included M8 screw bracket and blade-type connectors for easy installation.
- • **Built to Last with OEM Quality:** Crafted by Hella, a century-strong leader in automotive tech, guaranteeing durability and reliability.

## Overview

The Hella 940800821 Black 24V Bx Trumpet Horn Kit delivers a powerful 110 dB dual-tone alert (510 Hz high, 410 Hz low) designed for universal 24V vehicle compatibility. Engineered with OEM-grade quality and a sleek machined black finish, this kit ensures maximum safety and standout style for performance-driven drivers.

## 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 |
|---------------|-------|
| Manufacturer | HELLA |
| Brand | Hella |
| Model | 940800821 |
| Product Dimensions | 19.5 x 9 x 12 cm; 635.03 g |
| Item model number | 940800821 |
| Exterior | Machined |
| Manufacturer Part Number | 3FH 940 800-821 |
| OEM Part Number | 940800821 |
| Voltage | 24 Volts |
| Item Weight | 635 g |

## Product Details

- **Brand:** Hella
- **Colour:** Black
- **Material:** Plastic
- **Item dimensions L x W x H:** 19.5 x 9 x 12 centimeters
- **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)
![Hella 940800821 Black 24V Bx Trumpet Horn Kit (Universal Fit) - Image 2](https://m.media-amazon.com/images/I/416fdWZkeJL.jpg)
![Hella 940800821 Black 24V Bx Trumpet Horn Kit (Universal Fit) - Image 3](https://m.media-amazon.com/images/I/51Ziv3yE1EL.jpg)
![Hella 940800821 Black 24V Bx Trumpet Horn Kit (Universal Fit) - Image 4](https://m.media-amazon.com/images/I/5100x6JdbvL.jpg)
![Hella 940800821 Black 24V Bx Trumpet Horn Kit (Universal Fit) - Image 5](https://m.media-amazon.com/images/I/61kbekwcQrL.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.co.ke/products/339208909-hella-940800821-black-24v-bx-trumpet-horn-kit-universal-fit](https://www.desertcart.co.ke/products/339208909-hella-940800821-black-24v-bx-trumpet-horn-kit-universal-fit)

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*Product available on Desertcart Kenya*
*Store origin: KE*
*Last updated: 2026-01-29*