---
product_id: 1314543
title: "MR4.3B 4 Inch 2 Way Full Range 180 W Boat Speaker Pair"
brand: "boss audio systems"
price: "€ 227.35"
currency: EUR
in_stock: true
category: "Boss Audio Systems"
url: https://www.desertcart.it/products/1314543-mr4-3b-4-inch-2-way-full-range-180-w
store_origin: IT
region: Italy
---

# 80Hz-18kHz frequency range 100% waterproof design 180W peak power MR4.3B 4 Inch 2 Way Full Range 180 W Boat Speaker Pair

**Brand:** boss audio systems
**Price:** € 227.35
**Availability:** ✅ In Stock

## Summary

> 🚤 Elevate your boat vibes with sound that sails beyond expectations!

## Quick Answers

- **What is this?** MR4.3B 4 Inch 2 Way Full Range 180 W Boat Speaker Pair by boss audio systems
- **How much does it cost?** € 227.35 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.it](https://www.desertcart.it/products/1314543-mr4-3b-4-inch-2-way-full-range-180-w)

## Best For

- boss audio systems enthusiasts

## Why This Product

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

## Key Features

- • **Powerful 180W Output:** Feel every beat with crystal-clear sound that commands attention on the water.
- • **Wide Frequency Range:** From deep bass to crisp highs, experience full-spectrum audio clarity.
- • **Compact 4-Inch Design:** Sleek, space-saving speakers that fit perfectly on any boat without compromise.
- • **3-Year Platinum Warranty:** Confidence that lasts—premium protection for your premium sound system.
- • **All-Weather Waterproof Build:** Never miss a moment—these speakers thrive rain or shine, salt or spray.

## Overview

The BOSS Audio Systems MR4.3B is a 4-inch, 2-way full-range marine speaker pair delivering up to 180 watts of peak power. Featuring a waterproof design, 80Hz to 18kHz frequency response, and a durable polypropylene cone with rubber surround, these speakers ensure robust, clear audio in any marine environment. Compact and easy to mount with included swivel brackets, they come backed by a 3-year platinum warranty, making them the perfect upgrade for boaters who demand premium sound on the water.

## Description

Great Product

## Features

- Impedance: 4 Ohms, Frequency Response: 80 Hz - 18 kHz, Sensitivity: 85 dB
- Cone: Polypropylene, Voice Coil: 1 Inch Aluminum
- Surround: Rubber, Basket: Plastic
- One .75 Inch Dome Tweeter And 1.5 Inch Poly Cone Midrange Per Speaker
- Included: Swivel Brackets
- Dimensions: Depth 5.3” x Width 5.3” x Height 8.8”, Weight Per Pair: 7.4 Lbs.
- 3 Year Platinum Online Dealer Warranty

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00BTVSWWW |
| Additional Features | Waterproof |
| Antenna Location | Music,Indoor,Outdoor |
| Audio Driver Type | Dynamic Driver |
| Audio Output Mode | Stereo |
| Best Sellers Rank | #49,062 in Electronics ( See Top 100 in Electronics ) #73 in Marine Speakers |
| Brand | BOSS Audio Systems |
| Built-In Media | Product Brochure |
| Color | BLACK |
| Compatible Devices | Smartphone, Tablet, MP3 Player, Laptop |
| Compatible with Vehicle Type | Boat |
| Connectivity Technology | Coaxial |
| Control Method | App |
| Customer Package Type | Standard Packaging |
| Customer Reviews | 4.5 out of 5 stars 509 Reviews |
| Enclosure Material | Plastic |
| Frequency Response | 18000 hertz |
| Global Trade Identification Number | 00791489120289 |
| Impedance | 4 ohm |
| Is Waterproof | TRUE |
| Item Dimensions D x W x H | 5.38"D x 5.38"W x 8.83"H |
| Item Type Name | Great Product |
| Item Weight | 5.9 pounds |
| Manufacturer | BOSS Audio Systems |
| Model Name | MR4.3B |
| Model Number | MR4.3B |
| Mounting Type | Flush Mount |
| Number Of Circuits | 3 |
| Number of Audio Channels | 3 |
| Number of Batteries | 1 12V batteries required. |
| Number of Items | 1 |
| Number of Power Levels | 1 |
| Speaker Maximum Output Power | 200 watts |
| Speaker Size | 4 inches |
| Speaker Type | Coaxial |
| Specific Uses For Product | personal |
| Subwoofer Connectivity Technology | Wired |
| Tweeter Diameter | 0.79 inches |
| UPC | 807032937232 803982861962 804066818834 791489118996 791489120289 |
| Unit Count | 3 Count |
| Warranty Description | 3 Years Parts and Labor |
| Warranty Type | One-Year Warranty or Limited Warranty |
| Water Resistance Level | Waterproof |
| Woofer Diameter | 4 inches |

## Product Details

- **Audio Output Mode:** Stereo
- **Brand:** BOSS Audio Systems
- **Connectivity Technology:** Coaxial
- **Frequency Response:** 18000 hertz
- **Speaker Maximum Output Power:** 200 watts

## Images

![MR4.3B 4 Inch 2 Way Full Range 180 W Boat Speaker Pair - Image 1](https://m.media-amazon.com/images/I/71byh9eMWtL.jpg)

## Available Options

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

## Frequently Bought Together

- BOSS Audio Systems MR4.3B 200 Watt Per Pair, 4 Inch, Full Range, 3 Way Weatherproof Marine Speakers Sold in Pairs
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**Shop now:** [https://www.desertcart.it/products/1314543-mr4-3b-4-inch-2-way-full-range-180-w](https://www.desertcart.it/products/1314543-mr4-3b-4-inch-2-way-full-range-180-w)

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*Product available on Desertcart Italy*
*Store origin: IT*
*Last updated: 2026-10-06*