✨ Christmas Special: Get 35% OFF your first order. ✨

Your Shopping Bag

Your bag is empty

Subtotal $0.00
Shipping Calculated at checkout
Continue Shopping

Brand New Boss Audio 4" Mr4.3b Box Speakers - Black - 200w [mr4.3b] Quality Assured [TkfbP3wN]

$23.99 $76.99 -69%

4" MR4.3B Box Speakers - White - 200W Whether you are at a boat party or spending a day out on the lake, you can enjoy the premium-quality sound of the BOSS Audio 3 Way Marine Enclosed Speaker System.This enclosed marine speaker system features a twe

Secure Shopping

100% Safe Guarantee

Free Shipping

On orders over $30

Money-Back

30-Day Guarantee

Brand New Boss Audio 4" Mr4.3b Box Speakers - Black - 200w [mr4.3b] Quality Assured [TkfbP3wN]

4" MR4.3B Box Speakers - White - 200W

Whether you are at a boat party or spending a day out on the lake, you can enjoy the premium-quality sound of the BOSS Audio 3 Way Marine Enclosed Speaker System.

This enclosed marine speaker system features a tweeter and 1.5" polypropylene cone. Swivel brackets are included for a smooth, simple installation process. 

The versatile speakers can also be installed indoors or on the patio, giving you plenty of options and different spaces to enjoy all your music.

Features:

  • Weather Proof Enclosed System
  • Simple installation
  • 3-Way speaker design

Technical Specifications:

  • Speaker Impedance - 4 ohms
  • Cone Material - Water-Resistant IMPP
  • Woofer size - 4"
  • Sensitivity - 85dB
  • Frequency Response - 80HZ - 20KHZ
  • Max Power - 200W
  • 100 Watts RMS
  • Dimensions (H x W x D) - 4.31" x 2.09" x 2.09" 

In the Box:

  • Two (2) - 3 way speakers
  • Mounting hardware
  • Instruction manual

*Sold as a Pair

WarningWARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.

Specifications:

  • QTY: Pair
  • Mounting Style: Bracket
  • Size: 4"
  • LED Lighting: No
  • Watts Max: 200w
  • Watts RMS: 100w
  • Cutout Size: N/A
  • Box Dimensions: 8"H x 10"W x 14"L WT: 7 lbs
  • UPC: 791489120289

Owner's Manual (pdf)

What Our Customers Say

January 18, 2026

Absolutely no complaints!

It's a very thoughtful design that anticipates the user's needs.

- Jordyn V..

January 18, 2026

Absolutely no complaints!

It's a very well-designed and effective product.

- Audrina Y..

January 18, 2026

Absolutely no complaints!

The quality is evident from the first use. A great item.

- Noemi P..

Write a Review

You Might Also Like

Discover more great products from our collection.

Tory Leather I Pad Envelope

Tory Leather I Pad Envelope

(792)
$19.99 $63.99 -69%
Maverick Suede Olive

Maverick Suede Olive

(493)
$38.99 $124.99 -69%
Arai Corsair-X HAYDEN LAGUNA

Arai Corsair-X HAYDEN LAGUNA

(53)
$83.99 $268.99 -69%
2087-40 Autumn Red

2087-40 Autumn Red

(984)
$33.99 $108.99 -69%
Emmy Bottom

Emmy Bottom

(764)
$32.99 $105.99 -69%
Cherry On Top Wall Rug

Cherry On Top Wall Rug

(844)
$22.99 $73.99 -69%

Copyright 2026 © mappa-mercia.org

VISA
PayPal
Stripe
Mastercard
CASH ON DELIVERY