---
product_id: 263640779
title: "3AM 002 768-821 Signal Horn - HELLA HEAVY DUTY HORN S92 SET - 24V - 113dB(A) - Frequency Range: 335/435Hz - High Tone/Low Tone - Electric - ECE - Housing Colour: Black - Quantity: 2"
brand: "hella"
price: "A$101"
currency: AUD
in_stock: true
url: https://www.desertcart.com.au/products/263640779-3am-002-768-821-signal-horn-hella-heavy-duty-horn
store_origin: AU
region: Australia
---

# 24V electric power Dual frequency 335/435Hz tones 113dB(A) ultra-loud sound 3AM 002 768-821 Signal Horn - HELLA HEAVY DUTY HORN S92 SET - 24V - 113dB(A) - Frequency Range: 335/435Hz - High Tone/Low Tone - Electric - ECE - Housing Colour: Black - Quantity: 2

**Brand:** hella
**Price:** A$101
**Availability:** ✅ In Stock

## Summary

> 🔊 Make your presence impossible to ignore with HELLA’s heavy-duty signal horn!

## Quick Answers

- **What is this?** 3AM 002 768-821 Signal Horn - HELLA HEAVY DUTY HORN S92 SET - 24V - 113dB(A) - Frequency Range: 335/435Hz - High Tone/Low Tone - Electric - ECE - Housing Colour: Black - Quantity: 2 by hella
- **How much does it cost?** A$101 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/263640779-3am-002-768-821-signal-horn-hella-heavy-duty-horn)

## 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

- • **ECE Certified Quality:** Meets stringent European safety standards for trusted performance.
- • **Dynamic Dual-Tone Signal:** High and low frequency range (335/435Hz) for maximum auditory impact.
- • **Power-Packed Performance:** Robust 24V electric operation designed for heavy-duty reliability.
- • **Command Attention Instantly:** 113dB(A) sound cuts through any noise, ensuring you're heard loud and clear.
- • **Durable Black Galvanised Housing:** Sleek, corrosion-resistant metal casing built to withstand the elements.

## Overview

The HELLA 3AM 002 768-821 Signal Horn is a professional-grade, 24V electric horn delivering a powerful 113dB(A) sound with dual high/low tones (335/435Hz). Featuring a durable black galvanised metal housing and ECE certification, this front-positioned horn set ensures reliable, heavy-duty performance for demanding environments.

## Description

3AM 002 768-821 Signal Horn - HELLA HEAVY DUTY HORN S92 SET - 24V - 113dB(A) - Frequency Range: 335/435Hz - High Tone/Low Tone - Electric - ECE - Housing Colour: Black - Quantity: 2

## Features

- Housing, membrane and holder in black galvanised metal

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | HELLA |
| Brand | Hella |
| Model | 002768821 |
| Item model number | 002768821 |
| Manufacturer part number | 002768821 |
| OEM Part Number | 002 768-821, 3AM 002 768-821, 56370045, A100-323, S92 SET |
| Position | Front |
| Item Weight | 490 g |

## Product Details

- **Brand:** Hella
- **Colour:** Black
- **Material:** metal Plastic Stainless Steel Alloy Steel
- **Voltage:** 24 Volts
- **Fit type:** Vehicle Specific Fit

## Images

![3AM 002 768-821 Signal Horn - HELLA HEAVY DUTY HORN S92 SET - 24V - 113dB(A) - Frequency Range: 335/435Hz - High Tone/Low Tone - Electric - ECE - Housing Colour: Black - Quantity: 2 - Image 1](https://m.media-amazon.com/images/I/51wGfccDfqL.jpg)
![3AM 002 768-821 Signal Horn - HELLA HEAVY DUTY HORN S92 SET - 24V - 113dB(A) - Frequency Range: 335/435Hz - High Tone/Low Tone - Electric - ECE - Housing Colour: Black - Quantity: 2 - Image 2](https://m.media-amazon.com/images/I/515SGQDstbL.jpg)
![3AM 002 768-821 Signal Horn - HELLA HEAVY DUTY HORN S92 SET - 24V - 113dB(A) - Frequency Range: 335/435Hz - High Tone/Low Tone - Electric - ECE - Housing Colour: Black - Quantity: 2 - Image 3](https://m.media-amazon.com/images/I/61PhHZjH9OL.jpg)
![3AM 002 768-821 Signal Horn - HELLA HEAVY DUTY HORN S92 SET - 24V - 113dB(A) - Frequency Range: 335/435Hz - High Tone/Low Tone - Electric - ECE - Housing Colour: Black - Quantity: 2 - Image 4](https://m.media-amazon.com/images/I/61l8eFVUCJL.jpg)
![3AM 002 768-821 Signal Horn - HELLA HEAVY DUTY HORN S92 SET - 24V - 113dB(A) - Frequency Range: 335/435Hz - High Tone/Low Tone - Electric - ECE - Housing Colour: Black - Quantity: 2 - Image 5](https://m.media-amazon.com/images/I/61Yom+q+YBL.jpg)

## Available Options

This product comes in different **Style** options.

## Questions & Answers

**Q: Will hella 002768821 24v horns to a dc36v/48v battery using a dc24v20a 480w step down transformer be the correct amps and watts for these horns?**
A: Transformers only work with AC not DC.  You could use a voltage regulator or a series resistor to reduce the applied voltage to 24V.  Or, with 48 volts DC you could just wire them in series so that they each get only 24 volts.  The current (amps) will take care of itself (I=V/R), about 5 Amps, I'm told.

**Q: Which prong is power and which is ground?**
A: Does not matter..no polarity.

**Q: Will this fit a 2016 subaru legacy?  please only yes or no.  no shoulds.**
A: This isn't a yes/no question. It'll fit any car so long as you can find a proper place on the frame to mount them. Mine came with only one high-tone horn. I had to find a place to mount the second. Look at videos of others doing it. You may need to drill, and you'll need to run one wire only as the negative runs through the frame.

**Q: why are there two ? can i just install one?**
A: Some vehicles are outfitted with two of these, like my SUV.  Yes, you could install just one, but I find myself wondering why you don't just by a single horn?

## Frequently Bought Together

- HELLA 002768821 Black 92mm 24V Disc Horn Kit (Universal Fit)
- VRWEARE Universal Motorcycle Electric Horns Waterproof Round Loud Speaker 12V 1.5A 105db small horn for Motorcycle

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**Shop now:** [https://www.desertcart.com.au/products/263640779-3am-002-768-821-signal-horn-hella-heavy-duty-horn](https://www.desertcart.com.au/products/263640779-3am-002-768-821-signal-horn-hella-heavy-duty-horn)

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*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-01-23*