---
product_id: 203089491
title: "Mainstream Marine Big Ol’ Blowhard Marine-Grade Air Horn, Portable Loud Air Horns for Safety, Emergency Boat Blow Horn Can 16oz, High-Capacity, Can Be Heard 1 Mile Away, Boating Accessories"
brand: "mainstream marine"
price: "$191"
currency: NZD
in_stock: true
reviews_count: 8
url: https://www.desertcart.nz/products/203089491-mainstream-marine-big-ol-blowhard-marine-grade-air-horn-portable
store_origin: NZ
region: New Zealand
---

# Marine-Grade 120dB Volume Made in USA Mainstream Marine Big Ol’ Blowhard Marine-Grade Air Horn, Portable Loud Air Horns for Safety, Emergency Boat Blow Horn Can 16oz, High-Capacity, Can Be Heard 1 Mile Away, Boating Accessories

**Brand:** mainstream marine
**Price:** $191
**Availability:** ✅ In Stock

## Summary

> 🚤 Sound the Alarm: Your Safety is Just a Blow Away!

## Quick Answers

- **What is this?** Mainstream Marine Big Ol’ Blowhard Marine-Grade Air Horn, Portable Loud Air Horns for Safety, Emergency Boat Blow Horn Can 16oz, High-Capacity, Can Be Heard 1 Mile Away, Boating Accessories by mainstream marine
- **How much does it cost?** $191 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/203089491-mainstream-marine-big-ol-blowhard-marine-grade-air-horn-portable)

## Best For

- mainstream marine enthusiasts

## Why This Product

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

## Key Features

- • **Loud & Clear:** Can be heard up to 1 mile away!
- • **Safety First:** Meets/exceeds USCG requirements for sound signaling.
- • **Rugged Design:** Built to withstand harsh weather and rough terrain.
- • **Portable Power:** Lightweight at just 1.2 pounds for easy transport.
- • **Quality Assurance:** Proudly designed and manufactured in the USA.

## Overview

The Big Ol’ Blowhard Marine-Grade Air Horn is a powerful safety signaling device designed for both marine and land use. With a 120-decibel output that can be heard up to a mile away, it meets US Coast Guard requirements and is built to endure rugged conditions. Lightweight and portable, this air horn is an essential addition to any safety kit, proudly made in the USA.

## Description

Big Ol’ Blowhard Marine-Grade Air Horn, Portable Loud Air Horns for Safety, Emergency Boat Blow Horn Can 16oz, High-Capacity, Can Be Heard 1 Mile Away, Boating Accessories

## Features

- WIDE USE IN AND OUT OF THE WATER: This safety air horn signaling device is a must-have for marine environments and many activities on land. The air horns for safety are the ideal emergency blow horn noise maker when boating in fog or other harsh weather.
- CAN BE HEARD UP TO A MILE AWAY: To say that this marine air horn for boat is loud would be an understatement. The 120-decibel volume of the emergency air horn loud can be heard up to one mile away! When you need to get someone’s attention, this sound horn will get the job done.
- MEETS/EXCEEDS USCG REQUIREMENTS: When you purchase this marine-grade horn in a can, rest assured knowing that it meets all US Coast Guard requirements for sound signaling devices.
- DESIGNED FOR RUGGED TERRAIN: Harsh weather and rough terrain are no match for this canned air horn safety device. The non-flammable, ozone-safe repellant is packaged in a rustproof, aluminum canister. The can horn blower makes great boat accessories marine to add to your boat safety kit.
- HIGH-QUALITY, AMERICAN PRODUCTS: At Mainstream Marine, we turn cutting-edge technology into top-of-the-line, affordable products. We’re proud to say that all of our products are researched, designed, and manufactured in the USA.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Mainstream Marine |
| Color | Orange and Red |
| Style | Safety |
| OEM Part Number | MM9110 |
| Manufacturer | Mainstream Marine |
| UPC | 711582391102 |
| Item Weight | 1.2 pounds |
| Country of Origin | USA |
| Manufacturer Part Number | MM9110 |

## Product Details

- **Brand:** Mainstream Marine
- **Color:** Orange and Red
- **Style:** Safety
- **OEM Part Number:** MM9110
- **Manufacturer:** Mainstream Marine

## Images

![Mainstream Marine Big Ol’ Blowhard Marine-Grade Air Horn, Portable Loud Air Horns for Safety, Emergency Boat Blow Horn Can 16oz, High-Capacity, Can Be Heard 1 Mile Away, Boating Accessories - Image 1](https://m.media-amazon.com/images/I/61b8JJ77dyL.jpg)

## Questions & Answers

**Q: i need something loud for my boat? is this really oud?**
A: Crazy loud

**Q: Once the cannister is empty can horn be altered to connect to a air compressor hose and achieve the same results?  Ingenuity is not a problem here.**
A: Air horn screws onto compressed air canister, so I don’t see how you couldn’t make your application work with a few adapters.

**Q: A previous review mentioned it didnt come with a horn. Does this not come with the horn?**
A: Mine came with a horn. It is unbelievably loud.

**Q: How many 1 second blasts can I get out of this can?**
A: I’m not sure I didn’t pay that close attention. But the is a great product. And it is really loud.  I have had other brand but this is by far the best one  But it last longer that the other products. I’m really not sure if this helps.

## Customer Reviews

### ⭐⭐⭐⭐⭐ UPDATE - I LIKE IT NOW even though I reviewed it as a "Dangerously Shoddy Product"
*by I***S on October 6, 2021*

On the very first use it fell apart in my hand and blew the back cover off, hitting my face. Inner membrane is shattered. Now told I cannot return.Updated to three stars because they gave me a prompt refund. Good company, so maybe I got a bad horn. Would still order from them again.UPDATE: I HAVE USED IT FOR A LONG TIME NOW. It is reliable, and has a LOT of life. There is a lot of gas in the cylinder, and I have had no other issues. So, I say I like it, would buy it again, and their customer service was enough to cover a one time broken part. Oh, it is REALLY loud! Great when you need it.

### ⭐⭐⭐⭐⭐ BEST AIR HORN YET!
*by C***R on June 18, 2023*

I HAVE AN UNFORTUNATE SITUATION WHERE A DUDE STALKS AND HARRASES ME WHILE I'M IN MY YARD. POLICE ARE NO HELP (PORTLAND, OR). SO, I'VE STARTED BLASTING HIM WITH THIS AND, TO THE RELIEF OF MY HOUSEHOLD AND NEIGHBORS, DUDE DOES A 180 AND TAKES OFF. IT HAS RESULTED IN HIM COMING AROUND A LOT LESS AND I'M GLAD THAT I WAS ABLE TO DECREASE THE AMOUNT OF FORCE USED SO I DON'T HAVE TO RISK HIM SUING ME FOR BEING TASED OR HOSED DOWN WITH BEAR SPRAY.THIS IS NOT A JOKE. THIS HORN IS LOUDER THAN THE OTHERS!

### ⭐ This is really loud, but can leaks
*by J***L on November 13, 2023*

Update: I have kept this horn indoors for signaling and have not used it in the last several months. It has some kind of slow leak, about half an ounce of weight every month. While it is very loud, it is not reliable. There has been no damage or misuse, and no outdoor exposure. Since the leak is so slow, it will not be obvious until long after the return date. It is too bad, as it is a really loud horn otherwise.This unit is much louder the the smaller hand held horns by a long shot. It is also a deeper sound as the small ones are high pitched and shrill. It reminds me of truck horns. I cannot tell how many blasts it has inside, but i tested it five times for about 3 seconds at a time and the can still feels very full. I would not use it as a noisemaker at a party or indoors.

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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-01-23*