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Polk Audio

Polk Audio Atrium 50 Indoor Outdoor Black Pair Speakers - ATRIUM50

Abt Model: ATRIUM50BK | UPC Code: 747192111649
 Discontinued Product This item is no longer available from our website.
Or click the link to view all of our Outdoor Speakers
4-1/2 " Long Throw Polymer Cone Driver/ 3/4 " Dome Tweeter With Neodymium Magnet/ Rustproof Aluminum Bracket And Grille/ Sculpted Front Baffle And Rounded Enclosure/ Black Finish/ Sold As A Pair
Discontinued (details)
Your Shipping Zip Code: 20149 (change)

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Product Details

Polk Audio Atrium 50 Indoor/Outdoor Black Loudspeaker, Model ATRIUM50BK

The Atrium 50 Indoor/Outdoor Loudspeaker is the ultimate in flexibility, reliability and high fidelity sound quality for the great outdoors. The Atrium 50 gives you the freedom to put speakers anywhere you want high performance sound. The kitchen, the den, the guestroom, the patio or pool, even the backyard BBQ pit. Sure, there are lots of "outdoor" speakers out there. But look at the fine print. Many of them are suitable only for placement in sheltered locations. The rugged Atrium 50 meets or exceeds stringent industry and military specifications for full exposure to the elements for years of reliable high performance sound anywhere in and around your home. Incredible sound… anywhere you want it, with the versatile Polk Audio Atrium Series of Indoor/Outdoor Loudspeakers.


  • All hardware is either stainless steel or brass for years of rustproof reliability
  • Meets or exceeds ASTM D5894-UV Salt Fog, Mil standard 810 Immersion and Mil standard 883 Method 1009 8 for salt and corrosion tests
  • Rustproof aluminum bracket allows multiple mounting options and full 90 degree rotation: aim them to deliver the best possible sound in a variety of locations
  • Rustproof aluminum grille has 55% open area for superior sound quality
  • Sculpted front baffle and rounded enclosure minimize diffraction (sound reflecting off of hard edges) for more open and lifelike imaging
  • 4-1/2” (11.4cm)long throw Polymer cone driver with butyl rubber suspension pumps out amazing bass response
  • 3/4" (19mm) dome tweeter with neodymium magnet broadly distributes high frequencies to cover a large area with high fidelity sound


Driver Complement

  • Mid/Woofer
    • 1 - 4-1/2" Diameter (11.43cm)
    • Dynamic Balance, mineral filled Polymer with rubber surround
  • Tweeter
    • 1 - 3/4" Diameter (1.91cm)
    • Neodymium Motor Structure


  • Overall Frequency Response: 75Hz - 20kHz
  • Nominal Impedance: 8 ohms
  • Recommended Amplifier Power: 10 - 80 w/channel
  • Efficiency: 89 dB

Approximate Dimensions:

  • Depth: 7-3/4"
  • Height: 9-1/2"
  • Width: 6-1/4"

Approximate Weight:

  • Unit: 5.5 lbs
  • Shipping: 6 lbs

Warranty Information:

  • Manufacturer's Warranty (authorized online retailer): 2 years parts and labor
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More reasons to buy the Polk Audio ATRIUM50 from Abt Electronics
  • is an authorized dealer (Learn More).
  • The Polk Audio ATRIUM50 is Brand New.
  • The Polk Audio ATRIUM50 Ships in a Factory Sealed Box.
  • Abt ships this product for free!
Impedance8 ohms
Sensitivity89 dB
Speaker TypeOutdoor
Tweeter Size (inches)1 - 3/4"
Woofer Size (inches)1 - 4 1/2 in


Speaker Wire
Speaker Wire
Dramatically increase sound quality or add distance from your receiver with our speaker wire.
AudioQuest 50 Feet G2 Speaker Cable - White Finish
Special Order: 7 To 14 Day Delivery Time
$ 64.75
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Polk Audio Atrium 50 Indoor Outdoor Black Pair Speakers

Polk Audio Atrium 50 Indoor Outdoor Black Pair Speakers


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