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🎶 Elevate your outdoor moments with Polk’s all-weather sonic punch!
The Polk Audio Atrium 4 Outdoor Speakers combine rugged, all-weather durability with compact, high-fidelity sound. Featuring a 4.5-inch Dynamic Balance woofer and ¾-inch anodized aluminum tweeter, these wired speakers deliver clear, powerful audio up to 80 watts. Designed for easy one-handed installation with a Speed-Lock bracket, they fit seamlessly into patios, decks, or pool areas, providing premium sound that withstands extreme temperatures and heavy rain. Ideal for millennials who demand both style and substance in their outdoor entertainment setup.








| ASIN | B00378KMEG |
| Additional Features | Bass Boost, Waterproof |
| Antenna Location | For Indoor Use, For Outdoor Use |
| Audio Driver Size | 11.43 centimeters |
| Audio Driver Type | Dynamic Driver |
| Audio Output Mode | Stereo |
| Best Sellers Rank | #1,810 in Electronics ( See Top 100 in Electronics ) #2 in Outdoor Speakers |
| Brand | Polk Audio |
| Built-In Media | 2 White all-weather speakers, 2 Mounting brackets (installed), Owner's Manual, Online Product Registration card, Polk Audio brochure |
| Color | White |
| Compatible Devices | Laptop, Personal Computer, Smartphone, Tablet |
| Compatible with Vehicle Type | Car |
| Connectivity Protocol | Bluetooth |
| Connectivity Technology | Auxiliary |
| Control Method | Voice |
| Controller Type | Corded Electric |
| Customer Package Type | Standard Packaging |
| Customer Reviews | 4.6 out of 5 stars 6,033 Reviews |
| Enclosure Material | Plastic Or Metal |
| Frequency Response | 25 KHz |
| Global Trade Identification Number | 00747192118808 |
| Impedance | 8 ohm |
| Is Waterproof | True |
| Item Dimensions D x W x H | 6.7"D x 5.3"W x 8.6"H |
| Item Weight | 3.6 pounds |
| Manufacturer | DEI Holdings |
| Model Name | Atrium 4 |
| Model Number | AM4088-A |
| Mounting Type | Wall Mount |
| Number Of Circuits | 2 |
| Number of Audio Channels | 2 |
| Number of Items | 2 |
| Power Source | Battery Powered |
| Signal-to-Noise Ratio | 89 db |
| Speaker Maximum Output Power | 80 watts |
| Speaker Size | 4.5 inches |
| Speaker Type | Outdoor |
| Subwoofer Connectivity Technology | Wired |
| Subwoofer Diameter | 17 centimeters |
| Tweeter Diameter | 0.75 inches |
| UPC | 747192118808 |
| Unit Count | 2 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 |
S**Z
good item
For the price and quality, these speakers are very good. We’ve used them in several customer projects and haven’t had any issues. Good product.
D**.
Updated review March 2021
Awesome speakers!!! The sound is super clear and they have great bass for the size as well.......they don't have the super deep bass like an active subwoofer. ....but hey, they're smaller speakers. Perfect for the patio or deck! Not too big and bulky but big enough to sound great!! Quality appears great and you can't beat the mounting system!! Super easy to mount in a variety of positions......and the speaker slips into bracket and stays in place so your hands are free to put the cap screws on the ends and hook the wires up!! The engineers actually did a great job with this system! We mounted them under the soffit on the house above the back deck and they're wired into an older Pioneer receiver with an equalizer. It gets -30f here so we will be removing them for winter just to be safe. At under $100 I don't think you will be able to find better bang for the buck anywhere. Highly recommend!! Update*#*#*11/17 Just finished installing two more pair of these in garage. Wow. What a difference these make in the quality of sound......full sound and very clear. Had a full set of samsung speaker that came with surround system out there. Put these in tonight and all I can say is wow!! What a difference! Will be ordering some more to install near our firepit in back yard. ****update March 2021**** These speakers are still going strong!! Have had hundreds of hours of use and they still sound as good as the first day of use. No problems with the weather at all, had to dust them off last fall, (excess dust in neighborhood from road work over the summer). Still would recommend these 100%!!
J**O
Works well
Good product and well made .
T**Y
Great for outdoors
So far these are great. Not much bass but for the size they are great. Handle all the weather this far. I’d buy again.
J**S
Great, rich sound!
Great sound! Just two speakers completely fill the entire pool area and patio with rich sound.
A**N
Most importantly—- installing these was a breeze and the sound is amazing
We installed these on our covered back porch —love them!! Installation was a breeze and the sound quality is amazing. These are great -order them if you are looking for outdoor speakers
M**D
Buy the good stuff the first time
Selected Polk outdoor speaker after returning less expensive speakers. What a difference the Polk atrium 4 speakers made. Sound quality is fantastic. Install was a breeze. I would highly recommend these speakers. I was very happy with the purchase and so will you. Moral of the story: you get the quality you pay for
W**E
Happy with my purchase
I am happy with these speakers. They have a decent range from high to low, a clear sound and will get loud enough to annoy the neighbors. They were easy to install and I like they way they look on my back porch.
M**X
recommended
Very good sound quality for the price. Paired with a sub provide well balanced sound with a bit of eq. Without the sub the bass are a bit weak…
D**N
Mejor que Bose
Quite unos Bosé 251 y puse los Polk. Mejor calidad de sonido. Los recomiendo. Tengo los polk 5 y 4 en un surround sound.
M**N
Pair them with a good Amp and you’re in for a treat!
These really are quite a remarkable pair of speakers when paired with a good quality amplifier! I originally powered them with a Fosi HT4S and they sounded ok but pretty rough in the midrange. Then I tried a Wiim Amp and they sounded much better, nice and refined and balanced but I just had a feeling they could go further. Then I bit the bullet and got a second hand Arcam SA10 and that really brought them to life! Amazing clarity and such great warmth from the Arcam. They are lacking in bass but as they’re the smallest in the range that’s to be expected. I’ve already decided to upgrade to the Atrium 6 and move the 4s to a quieter part of the garden. All in all a fantastic pair of speakers! Great build quality, fantastic sound and easy to fit. Power them with a good quality amplifier and you’re in for a real treat!
G**H
Damaged on delivery
Whilst the box was not damaged the speaker grill on 1 speaker had a big dent. Good sound but disappointed that it was damaged.
J**N
Polk sound for reasonable price
Paired with Fosi 20a Pro amp makes for an excellent listening experience in my 10x12 gazebo.
Trustpilot
1 month ago
1 month ago