---
product_id: 29143034
title: "Polk Audio DB402 DB+ Series 4 Inch Speakers Car Audio with Marine Certification, Car Coaxial Speakers, Black"
brand: "polk audio"
price: "105131CFA"
currency: XOF
in_stock: true
category: "Polk Audio"
url: https://www.desertcart.sn/products/29143034-polk-audio-db402-db-series-4-inch-speakers-car-audio
store_origin: SN
region: Senegal
---

# IP56 marine certified Dynamic Balance tech 135W peak power Polk Audio DB402 DB+ Series 4 Inch Speakers Car Audio with Marine Certification, Car Coaxial Speakers, Black

**Brand:** polk audio
**Price:** 105131CFA
**Availability:** ✅ In Stock

## Summary

> 🌟 Elevate your drive & dive with Polk’s marine-certified sound mastery!

## Quick Answers

- **What is this?** Polk Audio DB402 DB+ Series 4 Inch Speakers Car Audio with Marine Certification, Car Coaxial Speakers, Black by polk audio
- **How much does it cost?** 105131CFA with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/29143034-polk-audio-db402-db-series-4-inch-speakers-car-audio)

## Best For

- polk audio enthusiasts

## Why This Product

- Trusted polk audio brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Powerful 135W Peak Output:** Feel every beat with crystal-clear volume that dominates both road and water.
- • **Dynamic Balance Technology:** Laser-optimized materials deliver distortion-free, wide-dispersion sound.
- • **Built-In Crossover Precision:** Seamlessly directs highs and lows for a perfectly balanced audio experience.
- • **Effortless Installation & Style:** Includes mounting hardware and sleek grilles to upgrade your ride’s interior instantly.
- • **Marine-Grade IP56 Certification:** Splash-proof and salt-fog tested for fearless outdoor adventures.

## Overview

The Polk Audio DB402 DB+ Series 4" coaxial speakers deliver 135W peak power with a polypropylene woofer and silk dome tweeter, engineered with Dynamic Balance technology for distortion-free sound. IP56 marine certification ensures durability against water, salt, and UV exposure, making them perfect for cars, boats, and motorcycles. Featuring a built-in crossover and easy installation hardware, these speakers combine rugged reliability with premium audio performance for on-the-go audiophiles.

## Description

The Polk Audio DB402 4" 2-Way model for marine and vehicle use, feature a polypropylene woofer cone and a 3/4" silk dome tweeter with a built-in crossover; delivering smooth, precise sound. Dynamic Balance technology uses laser imaging to reduce resonance, producing a wide response with low distortion. The DB+ Series marine speakers are versatile, offering 4/2-hole compatibility and mounting hardware. The bold grille design adds style to any dashboard, appealing to drivers planning road trips and to the car audio enthusiast. The car and marine coaxial speakers, certified by Polk Audio, undergo rigorous tests for sun, moisture, and extreme temperature shifts; so they perform reliably on your vessel without altering performance. Polk Audio's DB+ Series subwoofers complement the set, delivering smooth, powerful bass, letting you upgrade your car stereo without breaking the bank while enjoying best-in-class sound across vehicles and watercraft alike.

## Features

- EXCEPTIONAL SPEAKER FOR CAR & MARINE - The Polk DB402 2-Way Coaxial Marine Certified car speakers with 135W peak power, 4-ohm impedance, 4" polypropylene woofer cone, and a strong rubber surround are built to reproduce high-quality music
- ELEVATE YOUR CAR AUDIO SYSTEM - With a built-in crossover, the music speaker directs highs & lows to the respective drivers; it handles up to 45W RMS & boasts 60-22kHz range to reproduce high-quality sound
- RESONANCE-FREE SOUND CREATION - With Dynamic Balance proprietary technology, these marine/boat speakers use laser imaging to identify the best mix of materials and ensures a distortion-free response with wide dispersion
- SPLASH-PROOF SOUND - Polk DB+ series speakers give thunderous sonic output in freshwater boats, motorcycles, and more; they have IP56 marine certification with coated steel baskets. They are even tested for Salt-fog, UV, and Humidity
- EASY TO INSTALL - Polk door speakers include mounting hardware and stylish grilles that enable easy installation and add flair to any vehicle interior; an ideal choice for custom installations

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01EYCTVUE |
| Additional Features | Waterproof |
| Antenna Location | For Marine Vehicles, For Vehicles |
| Audio Driver Type | Dynamic Driver |
| Audio Output Mode | Surround |
| Best Sellers Rank | #17,134 in Electronics ( See Top 100 in Electronics ) #111 in Car Coaxial Speakers |
| Brand | Polk Audio |
| Built-In Media | Literature, Speaker |
| Color | Black |
| Compatible Devices | car |
| Compatible with Vehicle Type | Car, Boat, Motorcycle, ATV |
| Connectivity Protocol | Coaxial |
| Connectivity Technology | Coaxial |
| Control Method | Touch |
| Controller Type | Touchpad |
| Customer Package Type | Frustration-Free Packaging |
| Customer Reviews | 4.6 4.6 out of 5 stars (502) |
| Enclosure Material | Steel, Polypropylene |
| Frequency Response | 22 KHz |
| Global Trade Identification Number | 00747192127244 |
| Is Waterproof | True |
| Item Dimensions D x W x H | 11.9"D x 11.8"W x 12"H |
| Item Weight | 2.5 Pounds |
| MP3 player | No |
| Manufacturer | Polk Audio |
| Model Name | DB402 |
| Model Number | AA9402 |
| Mounting Type | Boat Mount,Coaxial,Top Mount |
| Number Of Circuits | 2 |
| Number of Audio Channels | 2.0 |
| Number of Items | 2 |
| Number of Power Levels | 1 |
| Power Source | Corded Electric |
| Series Number | 94 |
| Speaker Maximum Output Power | 135 Watts |
| Speaker Size | 4 Inches |
| Speaker Type | Coaxial |
| Specific Uses For Product | Outdoor/Portable Audio Setups, Marine Applications |
| Subwoofer Connectivity Technology | Wired |
| Subwoofer Diameter | 4 Inches |
| Total Ethernet Ports | 2 |
| Tweeter Diameter | 0.75 Inches |
| UPC | 747192127244 |
| Unit Count | 1.0 Count |
| Warranty Description | 1 Year |
| Warranty Type | Limited |
| Wireless Technology | No Wireless Communication Technology |
| Woofer Diameter | 4 Inches |

## Product Details

- **Audio Output Mode:** Surround
- **Brand:** Polk Audio
- **Connectivity Technology:** Coaxial
- **Frequency Response:** 22 KHz
- **Speaker Maximum Output Power:** 135 Watts

## Images

![Polk Audio DB402 DB+ Series 4 Inch Speakers Car Audio with Marine Certification, Car Coaxial Speakers, Black - Image 1](https://m.media-amazon.com/images/I/61l5dWMHc3L.jpg)

## Available Options

This product comes in different **Style** options.

## Questions & Answers

**Q: will these fit a 2014 dodge ram front dash?**
A: Check your owners manual to see what size speakers are installed originally but they fix my MR2 dash!  Good luck

**Q: what is the outer dimension of the grill?**
A: Check your owners manual or Cruchfield site for fitment

**Q: Will these work for the rear of my 2015 Honda GoldWing?**
A: Use the db522 you might have to modify a little bit but they'll fit in

**Q: What size hole the a drill and how many W will each speaker handle**
A: Thanks for your question. Cutout: 4.09 inches. Rated 45 watts continuous power, 135 watts peak.
World Wide Stereo is 40 years old and a proud authorized Polk Audio dealer.

## Frequently Bought Together

- POLK AUDIO DB402 DB+ Series 4" Coaxial Speakers with Marine Certification, Black
- APIELE 16mm Latching Push Button Switch 12V DC On Off Black Shell with LED Angel Eye Head for 0.63" Mounting Hole with Wire Socket Plug Self-Locking (Blue/Black Shell)
- Polk Audio DB652 DB+ Series 6.5" Coaxial Speaker for Car & Marine, 2-Way Boat & Car Audio Speaker, 40-22kHz Frequency Response, Polypropylene Woofer Cone & 3/4" Silk Dome Tweeter, Black

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**Shop now:** [https://www.desertcart.sn/products/29143034-polk-audio-db402-db-series-4-inch-speakers-car-audio](https://www.desertcart.sn/products/29143034-polk-audio-db402-db-series-4-inch-speakers-car-audio)

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*Product available on Desertcart Senegal*
*Store origin: SN*
*Last updated: 2026-07-13*