---
product_id: 278726880
title: "BOSS Audio Systems MR4.3B 200 Watt Per Pair, 4 Inch, Full Range, 3 Way Weatherproof Marine Speakers Sold in Pairs"
brand: "boss audio systems"
price: "NZ$358"
currency: NZD
in_stock: true
reviews_count: 5
category: "Boss Audio Systems"
url: https://www.desertcart.nz/products/278726880-boss-audio-systems-mr4-3b-200-watt-per-pair-4
store_origin: NZ
region: New Zealand
---

# 100% waterproof design 80Hz-18kHz frequency range 200W peak power BOSS Audio Systems MR4.3B 200 Watt Per Pair, 4 Inch, Full Range, 3 Way Weatherproof Marine Speakers Sold in Pairs

**Brand:** boss audio systems
**Price:** NZ$358
**Availability:** ✅ In Stock

## Summary

> 🌊🔊 Elevate your marine vibe—sound that sails with you!

## Quick Answers

- **What is this?** BOSS Audio Systems MR4.3B 200 Watt Per Pair, 4 Inch, Full Range, 3 Way Weatherproof Marine Speakers Sold in Pairs by boss audio systems
- **How much does it cost?** NZ$358 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/278726880-boss-audio-systems-mr4-3b-200-watt-per-pair-4)

## 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

- • **3-Way Speaker System:** Dedicated tweeter, midrange, and woofer deliver immersive surround sound.
- • **Powerful 200W Output:** Feel every beat with crystal-clear sound that dominates the waves.
- • **Wide Frequency Range:** From deep bass to crisp highs, experience full-range audio perfection.
- • **Compact 4-Inch Design:** Fits seamlessly on any boat or outdoor setup without sacrificing sound quality.
- • **Marine-Grade Waterproof:** Built to brave the elements—rain or shine, your soundtrack never stops.

## Overview

The BOSS Audio Systems MR4.3B is a pair of 4-inch, 3-way marine speakers delivering up to 200 watts of peak power. Featuring a waterproof design and a broad 80Hz to 18kHz frequency response, these speakers provide robust, distortion-free sound ideal for boats and outdoor environments. With a 4-ohm impedance and durable polypropylene cones, they ensure reliable performance and longevity in harsh marine conditions.

## Description

Blast your favorite music on the open water with the Boss Audio Indoor/Outdoor 3-Way Speakers. These 4" speakers operate at a maximum of 200 watts and are perfect for marine vessel applications.

Review: Excelente sonido calidad y precio - Excelente sonido y calidad
Review: Installed in car under dash - Installed in an old 1974 Chevy and work very well, good sound and no distortion dispute the radios low output power

## 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
- International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00BTVSWWW |
| Additional Features | Waterproof |
| Age Range Description | Adult |
| Antenna Location | Music,Indoor,Outdoor |
| Audio Driver Type | Dynamic Driver |
| Audio Output Mode | Surround |
| Audio output mode | Surround |
| Brand | BOSS Audio Systems |
| Built-In Media | [2 Speakers] |
| Color | BLACK |
| Compatible Devices | Smartphone, Tablet, MP3 Player, Laptop |
| Compatible with Vehicle Type | Boat |
| Connectivity Protocol | Analog |
| Connectivity Technology | Coaxial |
| Connectivity technology | Coaxial |
| Control Method | Voice |
| Controller Type | Voice Control |
| Customer Package Type | Standard Packaging |
| Customer Reviews | 4.5 out of 5 stars 488 Reviews |
| Enclosure Material | Plastic |
| Frequency Response | 18 KHz |
| Frequency response | 18 KHz |
| Global Trade Identification Number | 00791489120289 |
| Impedance | 4 Ohms |
| Is Waterproof | True |
| Item Dimensions D x W x H | 13.5D x 13.5W x 22.4H centimeters |
| Item Weight | 2.68 kg |
| MP3 player | No |
| Manufacturer | Boss Audio Systems, Inc. |
| Model Name | In Door / Out Door |
| Model Number | MR4.3B |
| Mounting Type | Wall Mount |
| Mounting type | Wall Mount |
| Number Of Circuits | 3 |
| Number of Audio Channels | 2 |
| Number of Batteries | 1 12V batteries required. |
| Number of Items | 2 |
| Number of Power Levels | 1 |
| Power Source | Corded Electric |
| Speaker Maximum Output Power | 200 Watts |
| Speaker Size | 4 Inches |
| Speaker Type | Outdoor |
| Speaker maximum output power | 200 Watts |
| Specific Uses For Product | Music, Indoor, Outdoor |
| Subwoofer Connectivity Technology | Wired |
| Subwoofer Diameter | 4 Inches |
| Tweeter Diameter | 0.75 Inches |
| UPC | 807032937232 803982861962 804066818834 791489118996 791489120289 |
| Warranty Type | Limited |
| Water Resistance Level | Waterproof |
| Wireless Technology | Bluetooth |
| Woofer Diameter | 4 Inches |

## Product Details

- **Audio output mode:** Surround
- **Brand:** BOSS Audio Systems
- **Connectivity technology:** Coaxial
- **Mounting type:** Wall Mount
- **Speaker maximum output power:** 200 Watts

## Images

![BOSS Audio Systems MR4.3B 200 Watt Per Pair, 4 Inch, Full Range, 3 Way Weatherproof Marine Speakers Sold in Pairs - Image 1](https://m.media-amazon.com/images/I/71byh9eMWtL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Excelente sonido calidad y precio
*by C***X on 1 March 2024*

Excelente sonido y calidad

### ⭐⭐⭐⭐⭐ Installed in car under dash
*by M***L on 11 September 2023*

Installed in an old 1974 Chevy and work very well, good sound and no distortion dispute the radios low output power

### ⭐⭐⭐⭐⭐ Good speakers for the cost.
*by T***H on 7 August 2026*

Quality sound for cheaper speakers. Easy installation.

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**Shop now:** [https://www.desertcart.nz/products/278726880-boss-audio-systems-mr4-3b-200-watt-per-pair-4](https://www.desertcart.nz/products/278726880-boss-audio-systems-mr4-3b-200-watt-per-pair-4)

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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-08-18*