--- product_id: 54159970 title: "BOSS Audio MR4.3B 200 Watt (Per Pair), 4 Inch, Full Range, 3 Way Weatherproof Marine Speakers (Sold in Pairs)" brand: "boss audio systems" price: "€ 283.98" currency: EUR in_stock: true reviews_count: 5 url: https://www.desertcart.pt/products/54159970-boss-audio-mr4-3b-200-watt-per-pair-4-inch store_origin: PT region: Portugal --- # Waterproof for marine use 80Hz-18kHz frequency range 200W max power BOSS Audio MR4.3B 200 Watt (Per Pair), 4 Inch, Full Range, 3 Way Weatherproof Marine Speakers (Sold in Pairs) **Brand:** boss audio systems **Price:** € 283.98 **Availability:** ✅ In Stock ## Summary > 🌊🔊 Elevate your boat vibes with sound that sails beyond limits! ## Quick Answers - **What is this?** BOSS Audio 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?** € 283.98 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/54159970-boss-audio-mr4-3b-200-watt-per-pair-4-inch) ## 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 200W Output:** Feel every beat with crystal-clear volume that dominates the open water. - • **Full-Range 3-Way Audio:** Experience rich lows, vibrant mids, and crisp highs in a compact 4-inch package. - • **Seamless Compatibility:** Plug and play with smartphones, tablets, and more for instant music freedom. - • **Sleek, Space-Smart Build:** Compact 4-inch speakers that mount easily without sacrificing sound quality. - • **Marine-Grade Waterproof Design:** Built to brave waves and weather, so your soundtrack never stops. ## Overview The BOSS Audio MR4.3B is a pair of 4-inch, 3-way full-range marine speakers delivering up to 200 watts of waterproof, weatherproof sound. Featuring a frequency response from 80 Hz to 18 kHz and a 4-ohm impedance, these speakers are designed for seamless integration with a variety of devices, ensuring powerful, clear audio on any boat or outdoor setting. ## 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 | |---------------|-------| | Antenna Location | Music,Indoor,Outdoor | | Asin | B00BTVSWWW | | Audio Driver Type | Dynamic Driver | | Audio Output Mode | Surround | | Box Contents | [2 Speakers] | | Brand Name | BOSS Audio Systems | | Colour | BLACK | | Compatible Devices | Smartphone, Tablet, MP3 Player, Laptop | | Compatible With Vehicle Type | Boat | | Connectivity Protocol | Analog | | Control Method | Voice | | Controller Type | Voice Control | | Customer Package Type | Standard Packaging | | Customer Reviews | 4.5 4.5 out of 5 stars (489) 4.5 out of 5 stars | | Enclosure Material | Aluminum, Plastic, Polypropylene | | 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 centimetres | | Item Weight | 5.9 Pounds | | Manufacturer | Boss Audio Systems, Inc. | | Maximum Speaker Output Power In Watts | 200 Watts | | Model Name | In Door / Out Door | | Model Number | MR4.3B | | Mounting Type | Wall Mount | | Mp3 Player | No | | Network Connectivity Technology | Coaxial | | Number Of Audio Channels | 2.0 | | Number Of Batteries | 1 12V batteries required. | | Number Of Circuits | 3 | | Number Of Items | 2 | | Number Of Power Levels | 1 | | Power Source | Corded Electric | | Product Features | Waterproof | | Speaker Size | 4 Inches | | Speaker Type | Outdoor | | Specific Uses For Product | Music, Indoor, Outdoor | | Subwoofer Connectivity Technology | Wired | | Subwoofer Speaker Diameter | 4 Inches | | Tweeter Diameter | 1 Inches | | Upc | 807032937232 803982861962 804066818834 791489118996 791489120289 | | Warranty Type | Limited | | Water Resistance Level | Waterproof | | Woofer Driver Diameter | 4 Inches | ## Product Details - **Brand:** BOSS Audio Systems - **Speaker maximum output power:** 200 Watts - **Connectivity technology:** Coaxial - **Audio output mode:** Surround - **Mounting type:** Wall Mount - **Material:** Aluminum, Plastic, Polypropylene - **Model name:** In Door / Out Door - **Speaker type:** Outdoor - **Special feature:** Waterproof - **Recommended uses for product:** Music,Indoor,Outdoor ## Images ![BOSS Audio 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) ![BOSS Audio MR4.3B 200 Watt (Per Pair), 4 Inch, Full Range, 3 Way Weatherproof Marine Speakers (Sold in Pairs) - Image 2](https://m.media-amazon.com/images/I/81P66+PWanL.jpg) ![BOSS Audio MR4.3B 200 Watt (Per Pair), 4 Inch, Full Range, 3 Way Weatherproof Marine Speakers (Sold in Pairs) - Image 3](https://m.media-amazon.com/images/I/71-K6JGygAL.jpg) ![BOSS Audio MR4.3B 200 Watt (Per Pair), 4 Inch, Full Range, 3 Way Weatherproof Marine Speakers (Sold in Pairs) - Image 4](https://m.media-amazon.com/images/I/51uIsmF2MlL.jpg) ![BOSS Audio MR4.3B 200 Watt (Per Pair), 4 Inch, Full Range, 3 Way Weatherproof Marine Speakers (Sold in Pairs) - Image 5](https://m.media-amazon.com/images/I/61IQQXrQIvL.jpg) ## Available Options This product comes in different **Colour Name** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Excelente sonido calidad y precio *by on Reviewed in Mexico 1 March 2024* Excelente sonido ycalidad ### ⭐⭐⭐⭐⭐ Installed in car under dash *by on Reviewed in Canada 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 on Reviewed in the United States 7 August 2026* Quality sound for cheaper speakers. Easy installation. ## 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.pt/products/54159970-boss-audio-mr4-3b-200-watt-per-pair-4-inch](https://www.desertcart.pt/products/54159970-boss-audio-mr4-3b-200-watt-per-pair-4-inch) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-09-19*