---
product_id: 278726880
title: "MR4.3B 200 Watt Per Pair, 4 Inch, Full Range, 3 Way Weatherproof Marine Speakers Sold in Pairs"
brand: "boss audio systems"
price: "C$15360"
currency: NIO
in_stock: true
category: "Boss Audio Systems"
url: https://www.desertcart.ni/products/278726880-mr4-3b-200-watt-per-pair-4-inch-full-range
store_origin: NI
region: Nicaragua
---

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

**Brand:** boss audio systems
**Price:** C$15360
**Availability:** ✅ In Stock

## Summary

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

## Quick Answers

- **What is this?** 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?** C$15360 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ni](https://www.desertcart.ni/products/278726880-mr4-3b-200-watt-per-pair-4-inch-full-range)

## 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, balanced sound.
- • **Powerful 200W Output:** Feel every beat with crystal-clear sound that dominates the open water.
- • **Wide Frequency Range:** From deep bass to crisp highs, experience full-range audio perfection.
- • **Compact 4-Inch Design:** Fits seamlessly on any boat without sacrificing sound quality or style.
- • **Marine-Grade Waterproof:** Built to brave waves and weather—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, 4-ohm impedance, and a broad 80Hz to 18kHz frequency response, these speakers provide robust, clear sound tailored for marine environments. Compact and durable, they are perfect for boat owners seeking premium audio that withstands the elements.

## 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.

## 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 |
| 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 |
| Control Method | Voice |
| Controller Type | Voice Control |
| Customer Package Type | Standard Packaging |
| Customer Reviews | 4.5 4.5 out of 5 stars (489) |
| Enclosure Material | Plastic |
| 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 |
| 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 |
| 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
- **Frequency response:** 18 KHz
- **Speaker maximum output power:** 200 Watts

## Images

![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)

## Available Options

This product comes in different **Color** 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
- Amazon Basics Speaker Cable, Easy Assembly, 16-Gauge, Bronze, 100 ft
- Moukey Stereo Receivers with Bluetooth 5.0, 400W 2.0 Channel Power Audio Amplifier Stereo System w/USB, SD, AUX, RCA, MIC in w/Echo, LED for Karaoke, Home Theater Speakers - MAMP1

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.ni/products/278726880-mr4-3b-200-watt-per-pair-4-inch-full-range](https://www.desertcart.ni/products/278726880-mr4-3b-200-watt-per-pair-4-inch-full-range)

---

*Product available on Desertcart Nicaragua*
*Store origin: NI*
*Last updated: 2026-09-22*