Polk Audio Atrium4 Pair of 2 Outdoor Speakers

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ATRIUM4/BLACK-PAIR Polk Audio Atrium4 Pair of 2 Outdoor Speakers

Polk Audio Atrium4 Pair of 2 Outdoor Speakers

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Price includes any available discounts


This pair of 2 Polk Audio Atrium4 Outdoor Speakers, now available from RC Willey, give you exceptional sound anywhere you want it. The compact Atrium4 Outdoor Loudspeaker meets or exceeds military specifications for environmental endurance. Its small size makes it ideal for tight, out-of-way installations: by the pool, next to the deck or patio, around the kitchen, tucked away in the family den, or filling the backyard with great sound. The easy to mount Atrium4 will deliver high-performance audio fall, winter, spring, and summer-- bringing years of outdoor enjoyment.


  • Broad coverage baffle design fills a large open outdoor space with big, full-range sound.
  • Speed-Lock Mounting, the easiest, fastest and safest of all mounting systems.
  • Polk Audio All-Weather Certified
  • In the Box:
    • Atrium4 Outdoor Loudspeakers
    • Speed-Lock Mounting Bracket
    • Owner's Manual
    • Online Registration Card


Collection Atrium
Dimensions 6"W x 6.75"D x 8.6"H
Weight 10 lbs.
Finish Black
Mid/Woofer 1 - 4-1/2" Diameter (11.43cm). Dynamic Balance Mineral Filled Polymer Cone with rubber surround
Tweeter 1 - 3/4" Diameter (1.91cm). Dynamic Balance Anodized Aluminum Dome Tweeter with Neodymium motor str
Overall Frequency Response 75Hz-25kHz
Nominal Impedance 8 ohms
Recommended Amplifier Power 10-80 w per channel
Efficiency 89 dB
Inputs Gold-plated 5-way Binding Posts
Mounting Options 180-degree Speed-Lock Mounting System
Enclosure Type Sealed

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