---
product_id: 255777505
title: "Atrium 4 Outdoor Speakers with Powerful Bass (Pair, White), All-Weather Durability, Broad Sound Coverage, Speed-Lock Mounting System, Wired"
brand: "polk audio"
price: "$485.23"
currency: USD
in_stock: true
url: https://www.desertcart.us/products/255777505-atrium-4-outdoor-speakers-with-powerful-bass-pair-white-all
store_origin: US
region: United States of America
---

# Speed-lock one-click mounting Full-range, broad sound coverage All-weather certified durability Atrium 4 Outdoor Speakers with Powerful Bass (Pair, White), All-Weather Durability, Broad Sound Coverage, Speed-Lock Mounting System, Wired

**Brand:** polk audio
**Price:** $485.23
**Availability:** ✅ In Stock

## Summary

> 🎶 Elevate your outdoor vibe with sound that stands the storm!

## Quick Answers

- **What is this?** Atrium 4 Outdoor Speakers with Powerful Bass (Pair, White), All-Weather Durability, Broad Sound Coverage, Speed-Lock Mounting System, Wired by polk audio
- **How much does it cost?** $485.23 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/255777505-atrium-4-outdoor-speakers-with-powerful-bass-pair-white-all)

## 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

- • **Effortless Setup:** One-handed speed-lock mounting system for quick, secure installation
- • **Versatile Placement:** Mount vertically or horizontally to optimize your sound experience anywhere outdoors
- • **Sleek & Subtle Design:** Modern white finish and corner-friendly profile blend seamlessly with outdoor decor
- • **Immersive Sound Everywhere:** Steeply angled baffle design fills your open spaces with rich, powerful bass
- • **Unmatched Outdoor Resilience:** Built to brave rain, heat, and cold without missing a beat

## Overview

The Polk Audio Atrium 4 Outdoor Speakers deliver powerful, full-range sound with a sleek design optimized for open-air environments. Featuring all-weather certification, these wired speakers withstand extreme conditions year-round. Their innovative speed-lock mounting system allows for quick, secure installation in multiple orientations, making them the perfect audio upgrade for patios, poolsides, and backyards.

## Description

Atrium 4 Outdoor Speakers with Powerful Bass (Pair, White), All-Weather Durability, Broad Sound Coverage, Speed-Lock Mounting System, Wired

## Features

- CREATED TO LIVE AND PLAY OUTDOORS – To deliver exceptionally great sound, the Polk Audio Atrium 4 Speakers can be installed in any open space - by a pool, in the patio or a sunroom, or tucked away somewhere in the backyard
- Created to live and play outdoors, your Atrium Speakers can be installed in any open space—by a pool, in the patio or a sunroom, or tucked away sEXCEPTIONALLY GREAT SOUND no matter where you set them up!
- FULL-RANGE SPEAKERS - Recognized as one of the best-looking outdoor speakers, Polk Atrium 4 comes with a steeply angled baffle design filling open spaces with complete audio coverage! The outer profile easily blends into the corners of the outdoor walls
- EASY INSTALLATION - One-click speed-lock mounting bracket offers anti-slip one-handed installation allowing you to mount these speakers vertically or horizontally, to deliver the optimal sound in different setups. Simply mount the swiveling C-bracket
- THE SPEAKER FOR ALL SEASONS – Its rugged durability, high environmental endurance, and superior quality have helped Polk Outdoor Speakers earn the all-weather Certification. Effortlessly withstands extreme temperatures and heavy rain year after year

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00378KMEG |
| Audio Driver Size | 11.43 Centimeters |
| Audio Driver Type | Dynamic Driver |
| Best Sellers Rank | #4,395 in Electronics ( See Top 100 in Electronics ) #1 in Outdoor Speakers |
| Color | White |
| Compatible Devices | Laptop, Personal Computer, Smartphone, Tablet |
| Control Method | Voice |
| Customer Package Type | Standard Packaging |
| Customer Reviews | 4.6 4.6 out of 5 stars (9,855) |
| Date First Available | February 1, 2010 |
| Global Trade Identification Number | 00747192118808 |
| Impedance | 8 Ohms |
| Included Components | 2 White all-weather speakers, 2 Mounting brackets (installed), Owner's Manual, Online Product Registration card, Polk Audio brochure |
| Is Discontinued By Manufacturer | No |
| Is Waterproof | True |
| Item Weight | 3.6 pounds |
| Item model number | AM4088-A |
| Manufacturer | DEI Holdings |
| Material | Plastic Or Metal |
| Model Name | Atrium 4 |
| Mounting Type | Wall Mount |
| Number Of Circuits | 2 |
| Number of Items | 2 |
| Power Source | Battery Powered |
| Product Dimensions | 6.7"D x 5.3"W x 8.6"H |
| Recommended Uses For Product | For Indoor Use, For Outdoor Use |
| Set Name | Pair |
| Shape | irregular shape |
| Signal-to-Noise Ratio | 89 dB |
| Speaker Size | 4.5 Inches |
| Speaker Type | Outdoor |
| Special Feature | Bass Boost, Waterproof |
| Style | Atrium 4 |
| Subwoofer Connectivity Technology | Wired |
| Subwoofer Diameter | 17 Centimeters |
| Surround Sound Channel Configuration | 2.0 |
| Tweeter Diameter | 0.75 Inches |
| UPC | 747192118808 |
| Unit Count | 2.0 Count |
| Warranty Type | Limited |
| Water Resistance Level | Waterproof |
| Wireless Communication Technology | No Wireless Communication Technology |
| Woofer Diameter | 4.5 Inches |

## Product Details

- **Brand:** Polk Audio
- **Speaker maximum output power:** 80 Watts
- **Frequency response:** 25 KHz
- **Connectivity technology:** Wired
- **Audio output mode:** Stereo

## Images

![Atrium 4 Outdoor Speakers with Powerful Bass (Pair, White), All-Weather Durability, Broad Sound Coverage, Speed-Lock Mounting System, Wired - Image 1](https://m.media-amazon.com/images/I/81H07VrMlZL.jpg)

## Available Options

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

## Questions & Answers

**Q: Is it a pair or a single speaker?**
A: its a pair always and the sound is amazing

**Q: How do I connect to these speakers from my phone ?**
A: You need a certain amplifier inbetween

## Frequently Bought Together

- Polk Audio Atrium 4 Outdoor Speakers with Powerful Bass (Pair, White), All-Weather Durability, Broad Sound Coverage, Speed-Lock Mounting System
- Fosi Audio BT20A Bluetooth Stereo Amplifier, 2 Channel Home Audio Component Amplifiers for Passive Speakers, Mini Class D Amp Receiver 200W for Indoor/Outdoor/Garage/Ceiling/Bookshelf Speaker
- GEARit 14/2 Speaker Wire (100 Feet) 14 Gauge (Copper Clad Aluminum) - Outdoor Direct Burial in Ground/in Wall / CL3 CL2 Rated / 2 Conductors - CCA, Black 100ft

---

## 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.us/products/255777505-atrium-4-outdoor-speakers-with-powerful-bass-pair-white-all](https://www.desertcart.us/products/255777505-atrium-4-outdoor-speakers-with-powerful-bass-pair-white-all)

---

*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-03-10*