Polk Audio Atrium 8 SDI All-Weather Outdoor Speakers with Dual Tweeter Array

Polk Audio

  • Engineered with a dual voice coil, Dynamic Balance aerated polypropylene cone with rubber surround for greater power handling and better efficiency
  • All-weather certified and water-resistant to withstand the worst elements
  • Patented water-resistant PowerPort bass venting efficiently adds 3dB of big, realistic, musical bass output
  • Single/dual input switch


Flagship All Weather Loudspeaker

Single/Dual input switch and dual tweeter array that lets you work the speaker as a single high/performance stereo loudspeaker, or L/R speaker in a high performance stereo pair. It’s time to get that indoor sound you love – all from an outdoor loudspeaker you can put anywhere around your home.

Dynamic Balance Technology

This patented technology analyzes the speaker’s entire electro-acoustic and mechanical system for improved material selection and more efficient geometry.

All-Weather Certified and Water-Resistant

Built to withstand the worst elements: salt-fog, UV, extreme temps or heavy rains, you name it.

Durable Construction

Aluminum grilles and bracket, with stainless steel and brass hardware means no rust ever.

SKU: Atrium8 Category:
Weight 5800 g
Dimensions 295 × 280 × 390 mm


Black, White

Orientation • Horizontal
• Vertical
Height 12.875″ (32.7 cm)
Width 8.5″ (21.59 cm)
Depth 9.188″ (23.34 cm)
Weight 9.7 lbs (4.4 kg)
Front Array Driver Enclosure Type Durable, mineral-filled polypropylene cabinet design
Front Array Driver Complement • (1) 6.5″ (16.51 cm) d (Round) Dual voice coil driver with Dynamic Balance aerated polypropylene cone with rubber surround – Mid/Woofer
• (2) 1″ (2.54 cm) d (Round) Anodized aluminum dome with neodymium motor structure – Tweeter
Total Frequency Response 45 Hz → 27,000 Hz
Nominal Impedance 8 ohms
Sensitivity (1 watt @ 1 meter) 91 dB
Mounting Type 180° Speed-Lock mounting system with Keyhole Slots


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