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Polk Audio Atrium 45 All-Weather Speakers (Pair, Black) | 
| Brand: Polk Audio
Category: CE
List Price: $239.95
Buy New: $133.77
You Save: $106.18 (44%)
New (5) Refurbished (1) from $89.25
Rating:  91 reviews
Sales Rank: 1271
Color: Black
Media: Electronics
Size: 4.5 Inch
Shipping Weight (lbs): 12
Dimensions (in): 15.8 x 11.3 x 8.5
Warranty: 2 years warranty
MPN: AM0745-A
Model: AM0745-A
UPC: 747192106997
EAN: 0747192106997
ASIN: B00006I5O0
Shipping: Eligible for Super Saver Shipping
Availability: Usually ships in 24 hours
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| Features:
| • | Pair of all weather speakers with mounting brackets | | • | 4.5-inch long-throw polymer cone driver with butyl rubber suspension | | • | Built-in bracket allows multiple mounting options and full 90-degree rotation | | • | Handles up to 80 watts per channel | | • | Gold plated 5-way binding post speaker-level inputs |
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| Editorial Reviews:
Amazon.com Product Description
Want to take great Polk Audio speaker sound outdoors? Check out the indoor/outdoor 80-watt Atrium 45s. The stainless steel and brass hardware is completely rustproof, as are the aluminum brackets that allow multiple mounting options and full 90-degree rotation: aim them to deliver the best possible sound in a variety of locations. The rustproof aluminum grilles have 55 percent open area for superior sound quality. Most importantly, the Atrium 45s rugged, weatherproof, design meets or exceeds several military specifications for water, wind, salt, and corrosion. Inside the completely sealed enclosure is a 4.5-inch Dynamic Balance mineral-filled polymer driver with butyl rubber suspension for pumping out amazing bass, while its .75-inch soft dome tweeter with neodymium magnet broadly distributes high frequencies to cover a large area with high fidelity sound. Polk's Dynamic Balance technology produces flat frequency response, sharp detail, transparency and an ability to play program material with wide dynamic range at life-like volume levels without a hint of strain. The sound is always clean, clear, and effortless. The sculpted front baffle and rounded enclosure minimizes diffraction (sound reflecting off of hard edges) for more open and lifelike imaging. Connect them to an amplifier or receiver using the set's gold-plated five-way speaker-level binding posts. The Atrium 45s are also voice-matched to Polk's RTi speakers, and therefore make great surrounds in a complete Polk home theater system with the ability to handle up to 80 watts per channel. What's in the Box
Pair, Atrium 45 speakers (black), mounting brackets, manual, 2-year parts and labor warranty.
Product Description
frequency response 75-20,000 Hz (-3dB) * sensitivity 89 dB * 8-ohm impedance * handles up to 80 watts * gold-plated 5-way binding posts * all hardware is rust-proof brass or stainless steel * speaker grille and mounting brackets are rust-proof aluminum * mounting brackets included * 9-1/2"H x 6-1/4"W x 7-3/4"D (with bracket) * warranty: 2 years
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| Customer Reviews: Read 86 more reviews...
 another great speaker via Polk October 6, 2008
M. Daniel
Own several Polk speakers and love them all.
Mounting bracket is sturdy and well designed to hold speaker in any position. Good job Polk!
Polk Atrium 45 - OUTSTANDING outdoor speakers for a low price September 29, 2008
Brian White (Cleveland, Ohio)
I purchased these speakers to mount outdoors, under my permanently camped 31' travel trailer. I am very pleased with the sound quality and am surprised at how good the bass response is. Don't get me wrong, you won't mistake these speakers for a 15" subwoofer, but they sound very full and solid for small speakers with 4.5" woofers that I paid only ~$120 a pair for.
I am driving them with an Aiwa CDC-X504MP car stereo that puts out ~20 watts/channel into 4 ohms. Since the Atriums are 8 ohm speakers, I get less than 20 watts/channel. If I were buying an amp, I'd buy one with more power, but I had the Aiwa lying around. My setup easily fills my 30'x20' camper lot with quality sound, however, this setup will not provide ear splitting sound levels.
I was very impressed with the weight of each speaker; I was also impressed with the build quality of the enclosure and the gold plated 5-way connectors.
Overall - The Polk Atrium 45s are an outstanding value. I would highly recommend them.
Great product for the price September 22, 2008
Denise Weber (Verona, KY USA)
These speakers sound great for the price. I've only had them for a little over a month so i have no idea how long they will hold up or if they will make it through the winter.
 Relatively speaking... September 9, 2008
karmahaywa (Durham, NC)
Folks, let's not get overheated here. The reviews salivating over this product are a bit long on hyperbole and bit short on perspective. For some perspective, let me say that I ran my white Polk 45s on the B channel of an NAD receiver, with a pair of nice (but by no means extravagant) Wharfedale Diamond 9.1s on the A channel. No comparison. Absolutely no comparison. The full audio range was better represented on the Diamonds. Put bluntly, running these guys against a set of true speakers made the Polk's deficiencies far more apparent. The mids are muddled, the highs a bit too tinny. I was impressed by the bass for speakers of this size, but ultimately found the sound to be comparable to a decent set of computer desktop speakers with attached subwoofer.
Now, for a bit more perspective, one does need to consider how these speakers are to be used. If you intend to use these outdoors, they may be perfect for you. They seem incredibly solidly built with good engineering all around. They are visually attractive and just the right size to produce decent sound while remaining relatively inconspicuous. The brackets and grills are stout. Given that an outdoor environment comes with its own background symphony of noise, my quibbles with the quality of the sound may be taken with a grain of salt. I am sure we will be happy using these guys outdoors on our patio. But given the limitation in sound quality, that's precisely where they will stay.
 Great Speakers September 5, 2008
B. Nie (Milw., WI)
These are great speakers for the money. I would recommend these to anyone looking to enhance their backyard with some tunes.
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