I recently purchased another pair of these speakers for our boat dock. They are easy to securely install with a bracket that allows for quick removal of the speaker if you want to take it down when not in use for extended periods (when seasons change).
It is a small speaker so there is not a lot of base but sound is pretty good. They hold up well too, I have had the first pair outside on our porch for over 10 years now.
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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 (Renewed) $129.50 & FREE Shipping
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This Item  Polk Audio Atrium 4 Outdoor Speakers with Powerful Bass (Pair, Black), All-Weather Durability, Broad Sound Coverage, Speed-Lock Mounting System |  |  |  |  |  | |
| Price | -25% $149.00 List: $199.00 | -25% $299.99 Typical: $399.99 | $226.99 | $129.66 | -33% $199.36 List: $299.00 | -33% $199.36 List: $299.00 |
| Delivery | — | Get it May 17 - 21 | Get it as soon as Wednesday, May 22 | Get it as soon as Monday, May 20 | Get it as soon as Monday, May 20 | Get it as soon as Tuesday, May 21 |
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| Sold By | Amazon.com | Electronics Expo (Authorized Dealer) | Studiofinix Direct | Studiofinix Direct | Amazon.com | Amazon.com |
| speaker size | 4.5 inches | 6.5 inches | 6.5 inches | 6.5 inches | 5 inches | 5 inches |
| power source | Corded Electric | Wired | Corded Electric | Corded Electric | AC | AC |
| connectivity tech | Ethernet | Speaker Wire | USB | Coaxial | Auxiliary | Auxiliary |
| speaker type | Outdoor | Outdoor | Outdoor | Outdoor, Woofer | Outdoor | Outdoor |
| mounting type | Wall Mount | Wall Mount, Ceiling Mount | Wall Mount | Wall Mount | Atrium,Wall Mount | Atrium,Wall Mount |
| weight | 3.6 pounds | 20 pounds | 12.64 kilograms | 5.5 kilograms | 4.6 pounds | 4.6 pounds |
From the manufacturer
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4.5" Drivers and .75" Tweeters4 1/2" (11.43cm) Dynamic Balance long-throw mineral-filled polypropylene cone driver with butyl rubber surround pumps out surprising bass response from a compact design. 3/4" (19mm) Dynamic Balance anodized aluminum dome tweeter with rubber surround and neodymium magnet for better power handling and smoother response. |
10-80W Per ChannelThe perfect material performance, eliminating driver and tweeter 'artifacts' for more realistic sound reproduction at high and low volume levels. |
All-Weather PerformancePolk Audio All-Weather Performance, Atrium Series speakers exceed baseline industrial and military specifications for environmental endurance (ASTM D5894-UV Salt Fog, Mil Standard 810 Immersion, Mil-Std 883 Method 1009.8 for salt and corrosion.)Atrium Speakers can effortlessly withstand the worst mother nature can dish out, whether its extreme temps or heavy rains. |
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180 Degrees Speed-Lock Mounting SystemSpeed-Lock Mounting, the easiest, fastest and safest of all mounting systems. Simply mount the bracket and click the speaker into place. Aim it and tighten it down. |
Broad Coverage Baffle Design Fills Large Outdoor SpacesBroad coverage baffle design fills a large open outdoor space with big, full-range sound. The Atrium 4 has a more steeply-angled baffle design that maximizes critical mid- and high-frequency dispersion over a large area, without sacrificing detail. |
Aluminum with Stainless Steel and Brass HardwareGold-plated 5-way binding posts for the most secure, dependable hookups. Aluminum grilles and bracket, with stainless steel and brass hardware: No rust. Ever. |
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| Atrium 4 | Atrium 5 | Atrium 6 | Atrium 8 SDI | |
| Customer Reviews |
5,751
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1,401
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2,253
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2,253
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| Price | $149.00 | $199.36 | $319.00 | $149.99 |
| Driver Complement | 4 1/2” (114mm) mineral filled Dynamic Balance polymer cone, rubber surround, 3/4” (19mm) anodized aluminum dome tweeter w/ rubber surround and neodymium motor structure | 5” (127mm) mineral filled Dynamic Balance polymer cone, rubber surround, 3/4” (19mm) anodized aluminum dome tweeter w/ rubber surround and neodymium motor structure | 5 1/4” (133mm) Dynamic Balance aerated polypropylene cone, rubber surround, 1” (25mm) anodized aluminum dome tweeter w/ rubber surround and neodymium motor structure | 6 1/2” (165mm) Dual Voice Coil Dynamic Balance aerated polypropylene cone, rubber surround, Two 1” (25mm) anodized aluminum dome tweeter w/ rubber surround and neodymium motor structure |
| Frequency Response | 75Hz-25kHz | 60Hz-25kHz | 50Hz-27kHz | 45Hz-27kHz |
| Recommended Power | 10-80W continuous | 10-100W continuous | 10-100W continuous | 10-125W x 2 continuous |
| Impedance | Compatible w/ 8 Ohm outputs | Compatible w/ 8 Ohm outputs | Compatible w/ 8 Ohm outputs | Compatible w/ 8 Ohm outputs |
| Efficiency (dB 1w/1m) | 89dB | 90dB | 90dB | 91dB |
| Available Finishes | Black & White | Black & White | Black & White | Black & White |
| Environmental Standards | ASTM D5894-UV Salt Fog, Mil Standard 810 Immersion, Mil-Std 883 Method 1009.8 for salt and corrosion & Polk Audio Certification | ASTM D5894-UV Salt Fog, Mil Standard 810 Immersion, Mil-Std 883 Method 1009.8 for salt and corrosion & Polk Audio Certification | ASTM D5894-UV Salt Fog, Mil Standard 810 Immersion, Mil-Std 883 Method 1009.8 for salt and corrosion & Polk Audio Certification | ASTM D5894-UV Salt Fog, Mil Standard 810 Immersion, Mil-Std 883 Method 1009.8 for salt and corrosion & Polk Audio Certification |
| Mounting Options | 180º SpeedLock mounting | 180º SpeedLock mounting | 180º SpeedLock mounting | 180º SpeedLock mounting |
| Dimensions (w/ bracket & knobs) | 8 5/8” H x 5 11/16” W x 6 11/16” D (21.9cm H x 14.4cm W x 17cm D) | 10 5/16” H x 6 3/4” W x 7 3/4” D (26.2cm H x 17.1cm W x 19.7cm D) | 11 11/16” H x 7 11/16” W x 8 3/4” D (29.7cm H x 19.5cm W x 22.2cm D) | 12 7/8” H x 8 1/2” W x 9 3/16” D (32.7cm H x 21.6cm W x 23.3cm D) |
| Product Weight | 3.6lbs / 1.63kg (each) | 4.6lbs / 2.09kg (each) | 5.4lbs / 2.45kg (each) | 9.7lbs / 4.4kg (each) |
Videos
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Customer Review: These are excellent...for the money
Abe E. Normal
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Customer Review: Small area easy to installed and works great.
lorena
Reviews with images
New shelter speakers!
We needed replacement speakers for our backyard shelter! They work and sound great!!
Top reviews from the United States
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Reviewed in the United States on August 1, 2020
Color: WhiteStyle: Atrium 4Verified Purchase
Product sounds really good. I have a couple Bose speakers in the house, as comparison these speakers are not as bright in sound. They carry a more dominant mid-tone to my ear which is subjective to each person. They have the ability to go pretty loud depending on your receiver and have not distorted. There is a reason they have been in production since 2005. If you are thinking about adding some outdoor speakers but aren’t looking to break the bank, these speakers will not disappoint. I could not be happier with them. My 4 star on the sound is really a preference thing, others may think they are straight up 5. From the install perspective, these speakers come with the mounting bracket, but do not include screws. I used a couple exterior grade screws to fasten to the soffit above my desk. Once the bracket is up, the speakers slide in and then you tighten the cap on either side. Very easy to do (the hard part is running the wires, but that has nothing to do with the speakers themselves). Overall I do rank these as a 5 for value. They are above the quality you might expect for the price point and get the job done. They are a nice set of speakers that should add enjoyment to your outdoor space for years to come.
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Top reviews from other countries
Damián
Mejor que Bose
Reviewed in Mexico on March 5, 2024Color: WhiteStyle: Atrium 4Verified Purchase
Terry Kostiw
A must outside at low volume!
Reviewed in Canada on May 29, 2023Color: GreyStyle: SUB100Verified Purchase
martin
sin accesorios para instalacion
Reviewed in Mexico on April 30, 2022Color: BrownStyle: SAT300Verified Purchase
martin
Reviewed in Mexico on April 30, 2022
Images in this review
Donald Mulders
Great speakers at the right price!
Reviewed in Canada on January 12, 2022Color: WhiteStyle: Atrium 4Verified Purchase
Zach
Works well with Sonos ZP100 and Atrium 4s
Reviewed in the United Kingdom on September 11, 2023Color: GreyStyle: SUB100Verified Purchase
