---
product_id: 52689364
title: "Polk Audio DB402 DB+ Series 4\" Coaxial Speakers with Marine Certification, Black"
brand: "polk audio"
price: "₨6117"
currency: SCR
in_stock: true
reviews_count: 5
category: "Polk Audio"
url: https://www.desertcart.sc/products/52689364-polk-audio-db402-db-series-4-coaxial-speakers-with-marine
store_origin: SC
region: Seychelles
---

# IP55 marine water & dirt resistance 4" coaxial speaker size Simple drop-in vehicle installation Polk Audio DB402 DB+ Series 4" Coaxial Speakers with Marine Certification, Black

**Brand:** polk audio
**Price:** ₨6117
**Availability:** ✅ In Stock

## Summary

> 💧🔊 Sound that sails beyond limits!

## Quick Answers

- **What is this?** Polk Audio DB402 DB+ Series 4" Coaxial Speakers with Marine Certification, Black by polk audio
- **How much does it cost?** ₨6117 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sc](https://www.desertcart.sc/products/52689364-polk-audio-db402-db-series-4-coaxial-speakers-with-marine)

## 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

- • **Compact Powerhouse:** 4-inch coaxial design delivers rich mid-range and bass in a sleek, space-saving package.
- • **UV & Waterproof Cone:** Polypropylene cone with waterproof surrounds ensures long-lasting performance in any environment.
- • **Marine-Grade Durability:** IP55 certified to withstand water, salt fog, UV rays, and humidity—perfect for boats and outdoor adventures.
- • **Versatile Fit & Install:** Effortless drop-in installation fits cars, boats, ATVs, and more—no hassle, just premium sound.
- • **Signature Polk Sound Upgrade:** Elevate your ride with crisp, balanced audio that outperforms factory speakers.

## Overview

The Polk Audio DB402 DB+ Series 4" Coaxial Speakers combine marine-certified durability with high-performance sound, featuring an IP55 rating for water and dirt resistance, UV-tolerant polypropylene cones, and easy drop-in installation for vehicles and marine crafts. Designed to upgrade your audio experience whether on land or sea.

## Description

Polk Audio Speaker | DB402 DB+ Series 4” Coaxial Speakers with Marine Certification | Simple drop-in installation for any vehicle including cars, boats, ATVs

Review: These speaker flap and fart even at low volumes. Tried mounting them in unsorted and ported enclosures. My original no name brand speakers are better. Was trying to get something much nicer than factory speakers. Supplier is comunicating with me to resolve my issues ATM.
Review: I thought they were great sound for the money , good mid-range and bass was good

## Features

- High performance audio upgrade that delivers signature quality sound that goes beyond OEM factory systems
- Marine certified with IP55 rating (water- and dirt-resistant) and tested for salt-fog, UV and humidity
- Polypropylene and UV tolerant cone with waterproof inner and outer surrounds
- Simple drop-in installation for any vehicle including cars, boats, ATVs—you name it
- Cut out Diameter - 4.09" Bottom Mount - 2" Top Mount - 1.79"

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01EYCTVUE |
| Best Sellers Rank | 163,273 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 465 in Coaxial Car Speakers |
| Colour | Black |
| Compatible devices | car |
| Control method | Touch |
| Department | Coaxial Speakers |
| Guaranteed software updates until | unknown |
| Included components | Polk Audio Speaker | DB402 DB+ Series 4” Coaxial Speakers with Marine Certification |
| Is waterproof | True |
| Item model number | AA9402 |
| Item weight | 1.13 kg |
| Manufacturer | Polk Audio |
| Number of items | 2 |
| Power source | Corded Electric |
| Product dimensions | 30.2D x 30W x 30.5H centimetres |
| Recommended uses for product | For Marine Vehicles, For Vehicles |
| Speaker size | 4 Inches |
| Subwoofer diameter | 4 Inches |
| Surround-sound channel configuration | 2.0 |
| Unit count | 1.0 Count |
| Wireless communication technology | No Wireless Communication Technology |

## Product Details

- **Audio output mode:** Surround
- **Brand:** Polk Audio
- **Connectivity technology:** Coaxial
- **Frequency response:** 22 KHz
- **Material:** Polypropylene
- **Model name:** Marine Certified
- **Mounting type:** drop in
- **Speaker maximum output power:** 135 Watts
- **Speaker type:** Waterproof
- **Special feature:** Waterproof

## Images

![Polk Audio DB402 DB+ Series 4" Coaxial Speakers with Marine Certification, Black - Image 1](https://m.media-amazon.com/images/I/61l5dWMHc3L.jpg)
![Polk Audio DB402 DB+ Series 4" Coaxial Speakers with Marine Certification, Black - Image 2](https://m.media-amazon.com/images/I/71UwP4OSEcL.jpg)
![Polk Audio DB402 DB+ Series 4" Coaxial Speakers with Marine Certification, Black - Image 3](https://m.media-amazon.com/images/I/71gBygSxtvL.jpg)

## 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.

## Customer Reviews

### ⭐ Review
*by M***N on 29 July 2023*

These speaker flap and fart even at low volumes. Tried mounting them in unsorted and ported enclosures. My original no name brand speakers are better. Was trying to get something much nicer than factory speakers. Supplier is comunicating with me to resolve my issues ATM.

### ⭐⭐⭐⭐⭐ Review
*by D***S on 20 August 2024*

I thought they were great sound for the money , good mid-range and bass was good

### ⭐ Review
*by A***A on 14 December 2024*

The tweeter on one of the speakers isn’t working properly; the high frequencies seem to be cut off.

## 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

---

## 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.sc/products/52689364-polk-audio-db402-db-series-4-coaxial-speakers-with-marine](https://www.desertcart.sc/products/52689364-polk-audio-db402-db-series-4-coaxial-speakers-with-marine)

---

*Product available on Desertcart Seychelles*
*Store origin: SC*
*Last updated: 2026-01-28*