Polk Audio presents speakers so tough that a desert war zone can't kill them. The Atrium 45 speakers feature stainless steel and brass hardware to eliminate rust worries, even outside. These speakers meet or exceed various government standards for salt fog, immersion, salt and corrosion tests. The 5-way binding posts are gold plated to prevent corrosion.
The speakers are a 4.5" mid/woofer with a mineral filled polymer cone and a 0.75" soft dome tweeter with a Neodymium magnet. The sculpted front baffle and round enclosure minimize diffraction and deliver a more open, natural sound. The aluminum grill is 55% open for superior sound transmission without compromising the protection it gives the cones.
Polk Audio presents speakers so tough that a desert war zone can't kill them. The Atrium 45 speakers feature stainless steel and brass hardware to eliminate rust worries, even outside. These speakers meet or exceed various government standards for salt fog, immersion, salt and corrosion tests. The 5-way binding posts are gold plated to prevent corrosion.
The speakers are a 4.5" mid/woofer with a mineral filled polymer cone and a 0.75" soft dome tweeter with a Neodymium magnet. The sculpted front baffle and round enclosure minimize diffraction and deliver a more open, natural sound. The aluminum grill is 55% open for superior sound transmission without compromising the protection it gives the cones.
Exceptional Sound QualityThe Polk Audio Atrium 45 boasts a 4.5" Dynamic Balance, mineral filled polymer driver and a 0.75" Neodymium magnet soft dome tweeter to deliver crisp highs and accurate lows for an immersive listening experience.
Military-Grade WaterproofingBuilt to military specifications for waterproofing, the Polk Audio Atrium 45 is capable of withstanding water, salt and corrosion or any harsh environment for years of reliable performance anywhere in and around your home.
Gold-plated 5-way Binding PostsThe Polk Audio Atrium 45 features gold-plated 5-way binding post inputs to ensure maximum conductivity for improved signal transfer, resulting in better audio quality.
Learn more about the Polk Audio Atrium 45 Black
Model
Brand
Polk Audio
Model
Atrium 45 Black
Details
Type
Indoor/Outdoor Speakers
Sold As
Pair
Driver Units
Mid/Woofer: 1 - 4.5" Diameter, Dynamic Balance, mineral filled polymer with rubber surround
Tweeter: 1 - 0.75" Diameter, Soft dome with Neodymium magnet
Power Rating
10 - 80 w/channel
Frequency Response
75Hz - 20kHz
Nominal Impedance
8 ohms
Sensitivity
89 dB
Connectors
Gold-plated 5-way binding posts Input
Color
Black
Features
Features
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
Enclosure Type: Sealed
Dimensions & Weight
Dimensions & Weight
9.5" x 6.25" x 7.63" / 5.00 lbs.
Additional Information
Date First Available
October 01, 2008
Customer Reviews of the Polk Audio Atrium 45 Black