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🌟 Elevate your outdoor vibe with Polk’s powerhouse sound—because your backyard deserves the best!
The Polk Audio Atrium 4 Weatherproof Outdoor Speakers combine 80 watts of high-fidelity sound with rugged, waterproof construction and a patented Speed-Lock mounting system. Compact yet powerful, these speakers feature a 4.5” polypropylene woofer and anodized aluminum dome tweeter for deep bass and clear highs. Designed for seamless integration with modern AVRs, they deliver premium audio performance in any outdoor setting, rain or shine.








| ASIN | B00378KMF0 |
| Additional Features | Bass Boost, Waterproof |
| Antenna Location | For Indoor Use, For Outdoor Use, For Surround Sound Systems |
| Audio Driver Type | Dynamic Driver |
| Audio Output Mode | Surround |
| Best Sellers Rank | #1,440 in Electronics ( See Top 100 in Electronics ) #5 in Outdoor Speakers |
| Brand | Polk Audio |
| Built-In Media | 2 Black all-weather speakers, 2 Mounting brackets (installed), Owner's Manual, Online Product Registration card, Polk Audio brochure |
| Color | Black |
| Compatible Devices | Desktop, Laptop, Television |
| Compatible with Vehicle Type | Car |
| Connectivity Protocol | RCA, XLR, Coaxial, HDMI, USB |
| Connectivity Technology | Ethernet |
| Control Method | Voice |
| Controller Type | Corded Electric |
| Customer Package Type | Standard Packaging |
| Customer Reviews | 4.6 4.6 out of 5 stars (6,015) |
| Enclosure Material | Metal, Plastic |
| Frequency Response | 25 KHz |
| Global Trade Identification Number | 00747192118792 |
| Impedance | 8 Ohms |
| Is Waterproof | TRUE |
| Item Dimensions D x W x H | 6.69"D x 5.69"W x 8.63"H |
| Item Weight | 3.6 Pounds |
| MP3 player | No |
| Manufacturer | DEI Holdings |
| Model Name | Atrium 4 |
| Model Number | AM4085-A|4 |
| Mounting Type | Wall Mount |
| Number Of Circuits | 1 |
| Number of Audio Channels | 2.0 |
| Number of Items | 2 |
| Power Source | Corded Electric |
| Series Number | 747192118792 |
| Signal-to-Noise Ratio | 89 dB |
| Speaker Maximum Output Power | 80 Watts |
| Speaker Size | 4.5 Inches |
| Speaker Type | Outdoor |
| Specific Uses For Product | Outdoor Use |
| Subwoofer Diameter | 4.25 Inches |
| UPC | 747192118792 |
| Unit Count | 2.0 Count |
| Warranty Description | 2 years parts and labor |
| Warranty Type | Limited |
| Water Resistance Level | Waterproof |
| Wireless Technology | No Wireless Communication Technology |
| Woofer Diameter | 4.5 Inches |
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