Atrium4

All Weather Outdoor Loudspeakers with 4.5" Drivers and 3/4" Tweeters

Small speaker, massive sound. Embrace indoor/outdoor living and get ready to dance in the moonlight with the compact Atrium 4 loudspeaker. This weatherproof speaker produces high fidelity audio quality anywhere you want great sound, and its small size makes it ideal for tight, out-of-the-way installations.


  • Speed-Lock™ Mounting System for quick and easy setup
  • Polk Audio All-Weather Certified
  • Patented Dynamic Balance® for realistic sound
  • Anodized Aluminum Tweeter Domes With Rubber Surrounds

Crystal clear Patented Dynamic Balance®

The Atrium Series outdoor speakers deliver crisp, powerful vocals—without distortion. Their Patented Dynamic Balance® and Klippel Optimization Technologies ensure optimal material performance for more realistic sound reproduction at high and low volume levels.

Polk All-Weather Certified

Made to withstand the elements, these speakers are built to last and produce rich, lifelike, space-filling sound—no matter the weather. Atrium Series speakers exceed baseline industrial and military specifications for environmental endurance and are built with rust-resistant materials.

Speed-Lock™ Mounting System

Sprucing up the patio or backyard is a cinch even in challenging locations. The Speed-Lock Mounting System ensures easy, safe, one-handed installations and no-slip setting of the speaker angle. This greatly simplified mounting procedure means fewer parts and a quicker setup.

Made for exterior design Paintable Finishes

Available in durable, weatherproof black or white paintable finishes, Atrium speakers are easy to integrate into any décor. And with aluminum grilles and brackets, stainless steel, and brass hardware, these speakers will remain rust-free for years to come.

  • Tech Specs
  • Support
Tech Specs

OVERALL

  • Total pieces
    1

Warranty

  • Cabinet Warranty
    5 years
  • Drivers Warranty
    5 years
  • Original Purchaser Only
    Yes

Despatch Cartons

  • Carton 1
    9.5 lbs (4.31 kg)

On-wall, Bookshelf and Soundbars

  • Qty Included
    Pair
  • Availability
    US   Internationally
  • Orientation
    Horizontal
    Vertical
  • Height
    8.625" (21.91 cm)
  • Width
    5.688" (14.45 cm)
  • Depth
    6.688" (16.99 cm)
  • Weight
    3.6 lbs (1.63 kg)
  • Front Array Driver Complement
    (1)  4.5" (11.43 cm) d (Round) Mid/Woofer - Tweeter
    (1)  0.75" (1.91 cm) d (Round) Tweeter - Tweeter

Audio Quality

  • Total Frequency Response
    75 Hz → 25 Hz
  • Nominal Impedance
    8 ohms
  • Sensitivity (1 watt @ 1 metre)
    89 dB

Swivel Wall/Ceiling Mount Mount

  • Mounting Type
    180° Speed-Lock mounting system
  • Available Orientations
    Horizontal
    Vertical

External Amplifier

  • Recommended Amplifier Power Per Channel
    10 watts → 80 watts

Inputs

  • Audio Inputs
    -
  • Ethernet
    Yes
  • Speaker Inputs
    (2) Pair of 5-way Binding Posts - Gold-Plated
Support

Speed Lock Mounting System

Simply mount the bracket and click the speaker into place. Aim it and tighten it down.

Patented Dynamic Balance®

The perfect material performance, eliminating driver and tweeter "artifacts" for more realistic sound reproduction at high and low volume levels.

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