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Polk Audio Atrium 4 Outdoor Speakers with Powerful Bass (Pair, Black), All-Weather Durability, Broad Sound Coverage, Speed-Lock Mounting System
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Learn more
Return this item for free
We offer easy, convenient returns with at least one free return option: no shipping charges. All returns must comply with our returns policy.
Learn more about free returns.- Go to your orders and start the return
- Select your preferred free shipping option
- Drop off and leave!
Learn more
Return this item for free
We offer easy, convenient returns with at least one free return option: no shipping charges. All returns must comply with our returns policy.
Learn more about free returns.- Go to your orders and start the return
- Select your preferred free shipping option
- Drop off and leave!
Purchase options and add-ons
| Brand | Polk Audio |
| Speaker Maximum Output Power | 80 Watts |
| Frequency Response | 25 KHz |
| Connectivity Technology | Ethernet |
| Audio Output Mode | Surround |
About this item
- 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, inEXCEPTIONALLY 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
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Customer reviews
Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.
Learn more how customers reviews work on AmazonCustomers say
Customers appreciate the speakers for their sound quality, value for money, and ease of installation. They find the speakers well-constructed and sturdy. The speakers perform well, with little difference in volume between the front and back rows.
AI-generated from the text of customer reviews
Customers like the sound quality of the speakers. They say it has good bass and complements their outdoor sound system. The subwoofer provides little difference in volume between the front and back rows, making it suitable for pool parties and laid-back evenings.
"...The bass is surrisingly deep and reliable, mid and treble is super accurate as well!..." Read more
"...Volume can be controlled on the wall unit or your device. Sound is clear and loud enough for our extended backyard...." Read more
"...this way; if you're looking for an inexpensive way to get good quality sound outdoors with something that is ridiculously easy to install then the..." Read more
"Best used for moderate volume music on deck or patio, or indoors as surround satellites for a surround system. Not for main system speakers...." Read more
Customers appreciate the speakers' value for money. They say the speakers work well for the price, are small and inexpensive, and provide great sound for the backyard.
"...still shocked that this kind of quality can be achieved at such a fair price point! I will definitely buy Polk again in the future! Wow!!!!" Read more
"So far, they sound great. Very pleased for the money." Read more
"Fair price, good sound" Read more
"...recommend these I would buy them again I think for the price they're extremely well I would not buy The Atrium 5 which are more than double the..." Read more
Customers find the speakers easy to install. The mounting brackets are simple to hang and connect, allowing for various mounting positions like outside in a screened-in patio area. They mention using a junction box makes it easier to mount them between patio posts and protect the wiring. Overall, customers find the installation process straightforward.
"...For less than 200 dollars you can have a phenomenal setup...." Read more
"...Using a junction box made it easier to mount them between the patio posts and protect the wiring...." Read more
"...to get good quality sound outdoors with something that is ridiculously easy to install then the Atrium 4 deserves strong consideration...." Read more
"...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..." Read more
Customers appreciate the speakers' build quality. They find them well-constructed and sturdy, with strong mounting brackets. The Polk Atrium Series is a durable indoor/outdoor speaker that is perfect for pools. The rubberized, rugged outdoor speakers are a decent 10" size. They provide good sound quality for their price point and last over 10 years.
"...I am still shocked that this kind of quality can be achieved at such a fair price point! I will definitely buy Polk again in the future! Wow!!!!" Read more
"...4, My initial impression when taking them out of the box was the robust build. They were not kidding when they stated they are military grade...." Read more
"...Generally speaking they are a solid set of speakers. They give a pretty balanced sound all around but lack a little fullness in the lower mid-range...." Read more
"...Not too big and bulky but big enough to sound great!! Quality appears great and you can't beat the mounting system!!..." Read more
Customers are satisfied with the speakers' performance. They mention the speakers work well, the sound quality is nice, and the mounts work perfectly. The speakers perform well in front gardens, backyards, and garages.
"...i have only had them for about a month I can attest they performed flawlessly after about two weeks of monsoon like rains, I am in Austin which was..." Read more
"...Not for main system speakers. Right tool, right job." Read more
"...The engineers actually did a great job with this system!..." Read more
"...Would definitely recommend these and I'm sure they would work great as backyard speakers too." Read more
Customers like the speakers' appearance. They mention the size and style are good, and the installation process was easy. The speakers have a nice, clear sound, and still look new even after heavy storms. They appreciate the fit and finish of the speakers, and find the ambiance for sitting out on the porch with family and friends enjoyable.
"...With that said they offer a nice high end treble sound that is pleasing to the ear...." Read more
"Added these to my outside patio at my bar. Excellent sound. Looks great. Thank you." Read more
"...They eliminate the “dead” spots and compliment the Klipsch, but no where near the quality." Read more
"...They look awesome too. I purchased another set for the patio and will be installing those this weekend." Read more
Customers appreciate the speakers' size. They find them compact, yet giving good volume and sound quality for their size. Some say the speakers fit well with the space and provide a decent base for speakers of this size. The amp is small and fits in an empty light switch, providing a surprising soundstage that belies its small package. Overall, customers consider these the best outdoor speakers for the price and quality.
"...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!!..." Read more
"...previous model was slightly larger in physical size but the mount fit just the same so it was a direct swap. Nice attention to detail, Polk!..." Read more
"I purchased these for my backyard and though they are small in size the pack a decent punch for all types of music from jazz to rock...." Read more
"...But they are definitely large enough to fill our church which is 100 ft x 60 ft wide...." Read more
Customers appreciate the speakers' weather resistance. They are protected from rain and direct sunlight, allowing them to withstand harsh outdoor elements like snow, frigid cold, sleet, freezing rain, and thunderstorms. The speakers have survived the winter and lots of storms with minimal protection.
"...The installation deserves 5 stars. The fact that they are virtually weatherproof is also a plus, you can mount them just about anywhere without fear..." Read more
"...No problems with the weather at all, had to dust them off last fall, (excess dust in neighborhood from road work over the summer)...." Read more
"...*Update August 2017*: They survived the last year with minimal protection and still sound great, haven't shown any signs of rust or any other..." Read more
"I’ve owned these speakers for 9 years. They are mounted outside unprotected from weather. They sound as good today as the day I bought them." Read more
Reviews with images
Great Value & Sound
Top reviews from the United States
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- Reviewed in the United States on December 31, 2024Color: WhiteStyle: Atrium 4Verified PurchaseI was completely taken back with how clear the sound is after I tested it out. I have used these for a few days now and couldn't be happier with the decision to go with these speakers! The bass is surrisingly deep and reliable, mid and treble is super accurate as well! I am still shocked that this kind of quality can be achieved at such a fair price point! I will definitely buy Polk again in the future! Wow!!!!
- Reviewed in the United States on June 8, 2015Color: WhiteStyle: Atrium 4Verified PurchaseI had been looking for an outdoor solution to have music out by our pool. After quite a bit of research I landed on the Atrium 4, My initial impression when taking them out of the box was the robust build. They were not kidding when they stated they are military grade. Although i have only had them for about a month I can attest they performed flawlessly after about two weeks of monsoon like rains, I am in Austin which was just hit by flooding.(I have them hung under our awning out of direct rain but they did get wet.) As far as options to power these I did quite a bit of diligent research looking for something that had a small form factor but could power these sufficiently. I purchased the SMSL SA50 50Wx2 TDA7492 Class D Amplifier + Power Adapter (http://www.amazon.com/gp/product/B00F0H8TOC?psc=1&redirect=true&ref_=oh_aui_detailpage_o01_s00). This thing as a footprint slightly larger than a deck of cards but because of the efficiency of these speakers this amp has more than a enough power (I have yet to push this past halfway out of fear of neighbor complaints not to mention its audibly uncomfortable). For sound quality paired with this particular amp sounds as my mid range studio monitors. The definition of the highs are impressive and the lows are well balanced without being overly bassy. I have listened a variety of genres ranging from Instrumental Flamenco Guitar to Metal to Funk to Hip Hop to Banging H-Town rap and have been satisfied with all of this. We love this particular setup that we bought another pair for inside the house. For less than 200 dollars you can have a phenomenal setup. Finally have this hooked up to a Logitech Bluetooth adapter for complete wireless control of the whole systems. Now i have the flexibility to play anything I like from any music platform (Spotify, Pandora, Ipods, etc) at a fraction of what a sonos system would cost.
- Reviewed in the United States on July 14, 2024Color: WhiteStyle: Atrium 4Verified PurchaseRecently installed these all-weather speakers on an Alumawood patio. Combined with a Herdio controller and mini transformer (for controller) allowed us to use these speakers with any Bluetooth device including an outdoor tv. Volume can be controlled on the wall unit or your device. Sound is clear and loud enough for our extended backyard. Using a junction box made it easier to mount them between the patio posts and protect the wiring. This location also allows us to rotate the speakers depending on where we sit. No more struggling with recharging portable devices. AAAA++++
Recently installed these all-weather speakers on an Alumawood patio. Combined with a Herdio controller and mini transformer (for controller) allowed us to use these speakers with any Bluetooth device including an outdoor tv. Volume can be controlled on the wall unit or your device. Sound is clear and loud enough for our extended backyard. Using a junction box made it easier to mount them between the patio posts and protect the wiring. This location also allows us to rotate the speakers depending on where we sit. No more struggling with recharging portable devices. AAAA++++
Images in this review
- Reviewed in the United States on June 8, 2012Color: BlackStyle: Atrium 4Verified PurchaseFor $100 these are some pretty good overall outdoor speakers. I had a pair of JBL outdoors that developed some buzzing and pops so I needed a replacement and I went with these. For reference, every other speaker I own (except for a pair in the garage) is JBL, this was my first Polk experience.
Generally speaking they are a solid set of speakers. They give a pretty balanced sound all around but lack a little fullness in the lower mid-range. This is particularly noticeable when playing orchestral type music like film scores or piano heavy music. Going from the lower mids to bass is where they really start to have trouble. For the size of the speaker I certainly wasn't expecting to really "feel" bass but these do drop off noticeably in the lower frequency ranges. If there's something to knock with the Atrium 4's, that's it. With other types of music (country, rock, etc...) those issues aren't as noticeable. With that said they offer a nice high end treble sound that is pleasing to the ear. Overall the tone is brighter than I generally prefer (all of my JBL's have a warmer tone) but it certainly isn't a deal breaker for me. They don't by any stretch of the imagination sound unpleasant. For our purposes, general entertaining...using them for music outside while we do yard work..., they fit the bill very nicely. For $100 I am overall satisfied with this purchase. If you can afford to, or if a flatter overall response is important, then I'd probably look at something a little more expensive. If you are comfortable giving up some sound quality or if budget is an issue then certainly gives these a serious look.
Installing these babies was an absolute breeze. The mounting hardware supplied by Polk is virtually idiot proof. It simply could not be any easier to mount these speakers. The installation deserves 5 stars. The fact that they are virtually weatherproof is also a plus, you can mount them just about anywhere without fear of damage from the elements. One other thing I really liked was the ability to swivel and aim the speakers to exactly where I wanted them (this could not be done with our JBL's these replaced).
Power handling has not been an issue for me. I've got them hooked up to a 120 watt receiver and they been flawless to this point even at high volumes. We have a relatively large back yard so it takes some juice to disperse the sound and the Atriums are more than capable of taking it.
I'll summarize this way; if you're looking for an inexpensive way to get good quality sound outdoors with something that is ridiculously easy to install then the Atrium 4 deserves strong consideration. If you can afford to get in to an upgraded version then I would probably look in that direction solely for a better bass-lower midrange performance.
- Reviewed in the United States on December 24, 2024Color: WhiteStyle: Atrium 4Verified PurchaseBest used for moderate volume music on deck or patio, or indoors as surround satellites for a surround system. Not for main system speakers. Right tool, right job.
- Reviewed in the United States on December 16, 2024Color: BlackStyle: Atrium 4Verified PurchaseAdded these to my outside patio at my bar. Excellent sound. Looks great. Thank you.
Top reviews from other countries
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CarlosReviewed in Mexico on August 4, 20245.0 out of 5 stars Muy buenas bocinas, las tengo para Atmos.
Color: WhiteStyle: Atrium 4Verified PurchaseSe escuchan muy bien, son el reemplazo de mis bocinas antiguas para Atmos.
Se escuchan muy bien, son el reemplazo de mis bocinas antiguas para Atmos.5.0 out of 5 stars Muy buenas bocinas, las tengo para Atmos.
Carlos
Reviewed in Mexico on August 4, 2024
Images in this review
Terry KostiwReviewed in Canada on May 29, 20235.0 out of 5 stars A must outside at low volume!
Color: GreyStyle: SUB100Verified PurchaseIt improves your sound 10 fold, using low levels of sound that sounds so good, and still easily having conversations with others. With out the bass, your music is louder and impedes your conversation.
I find that much of a difference!
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martinReviewed in Mexico on April 30, 20224.0 out of 5 stars sin accesorios para instalacion
Color: Chestnut BrownStyle: SAT300Verified Purchaseel producto es bueno, pero yo compre 2 y uno venia con todos los accesorios para su instalacion y el otro venia incompleto (no traia empaque, ni tornilleria , ni base para montar en techo)
el producto es bueno, pero yo compre 2 y uno venia con todos los accesorios para su instalacion y el otro venia incompleto (no traia empaque, ni tornilleria , ni base para montar en techo)4.0 out of 5 stars sin accesorios para instalacion
martin
Reviewed in Mexico on April 30, 2022
Images in this review
Donald MuldersReviewed in Canada on January 12, 20225.0 out of 5 stars Great speakers at the right price!
Color: WhiteStyle: Atrium 4Verified PurchaseThis is my second set of Polk Audio outdoors speakers. My first pair are the Atrium 6s, which are amazing and produce very clear and accurate sound (in my humble opinion). Recognizing that the Atrium 4s are smaller, they still produce very good sound. The mounting system that both speakers use make them very easy to install and wire, and the Atrium 4s worked right out of the box with no fuss. The bass reproduction is good, but not at the same level as the Atrium 6s. Nevertheless, they are quite good at filling small to medium spaces, and they very effectively filled my lower patio area with quality sound. As an aside, these are standard speakers and are not powered so you will need an amplifier or receiver to power them. Both my Atrium 4s and 6s seem very well sealed against the weather elements and they are both holding up very well. I can definitely recommend the Atrium 4s for outdoor installations.
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F.P.Reviewed in Germany on October 14, 20245.0 out of 5 stars Macht einiges her auf der Terrasse
Color: GreyStyle: SUB100Verified PurchaseEcht tolles Teil für super Bass auf der Terrasse.
Hatte vorher nur 2 kleinere Lautsprecher auf der Terrasse.
Jetzt zwei Polk Lautsprecher + den Sub.
Kein Vergleich.... Um Welten besserer Sound und vor allem echt toller Bass!
Ein Traum!
Auch recht einfach zu installieren.
















