Product description
Great outdoor sound
Atrium 8 SDI
High-Performance Outdoor Speaker with 6.5″ Driver
Flagship all weather loudspeaker with 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.
PowerPort Bass Venting
Enjoy space-filling sound outdoors with Polk’s water-resistant PowerPort, boosting bass by 3dB. Paired with anodized aluminum tweeters, these speakers deliver powerful audio with impressive midrange clarity.
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 (ASTM D5894-UV Salt Fog, Mil Standard 810 Immersion, Mil-Std 883 Method 1009.8 for salt and corrosion).
Why Choose the Atrium8 8-Pack
Cover expansive spaces with powerful, evenly distributed sound. The Atrium8 8-Pack makes it easy to build multiple stereo zones or deliver balanced, full coverage across large outdoor or indoor areas—so you can enjoy rich audio at comfortable listening levels. Matched drivers ensure consistent sound from speaker to speaker, while weather-resistant enclosures and flexible wiring options simplify larger installs. Plus, bundle convenience delivers added value for bigger projects.
Details & Specifications
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 Durable, mineral-filled polypropylene cabinet design Total Frequency Response 45 Hz → 27,000 Hz Nominal Impedance 8 ohms Sensitivity (1 watt @ 1 meter) 91 dB Mounting Type 80° Speed-Lock mounting system with Keyhole Slots Speaker Inputs (2) Pair of Switchable single / dual 5-way Binding Posts – Gold-Plated
EXCLUSIVE SPEAKER BUNDLE – This package includes (8) Polk Audio Atrium 8 All Weather Outdoor Loudspeakers (Black)
ALL WEATHER CONSTRUCTION – Engineered with rugged materials designed to endure exposure to sun, moisture, and harsh outdoor conditions
DUAL ALUMINUM DOME TWEETERS – High-frequency array provides wide dispersion, enhanced clarity, and balanced stereo imaging
ENHANCED BASS VENTING – Specialized porting improves airflow and boosts low-end output for fuller, more dynamic sound
PRECISION TUNED DRIVER TECHNOLOGY – Optimized components reduce distortion and create lifelike audio across all volume levels
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Price last updated Mar 24, 2026 08:11:02 UTC. Availability and price subject to change. More info
