# Boss Audio 4" MR4.3B Box Speakers - Black - 200W  [MR4.3B]

**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

![Warning](https://productimageserver.com/prop65/6pt.png)**WARNING:** 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](http://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)](https://productimageserver.com/literature/ownersManual/54597OM.pdf)

## Details

- **Price:** 96.99 USD
- **Type:** Speakers
- **Tags:** Brand_Boss Audio, Entertainment, Entertainment | Speakers

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 96.99 USD | In stock |

## Images

- Boss Audio 4" MR4.3B Box Speakers - Black - 200W  [MR4.3B] Boss Audio

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> Source: [Besafe1st](https://besafe1st.com/products/6961956126899)
> Updated: 2026-06-02