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Christmas cut off: As the cut-off date has passed, Christmas delivery may not be guaranteed. Please select Express shipping for the best chance of delivery before Christmas.
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Polk Audio Atrium 8 Outdoor Speakers - White (Each)

Polk Atrium 8 SDI HIGH-PERFORMANCE OUTDOOR SPEAKER WITH 6.5" DRIVER (White)
The flagship all-weather loudspeaker comes with a single/dual input switch and a dual tweeter array, offering you the flexibility to use it as a single high-performance stereo loudspeaker or as a left/right speaker in a high-performance stereo pair. Now you can enjoy the indoor sound you love, all through an outdoor loudspeaker that can be placed anywhere around your home.
Features:- A 6 1/2-inch (16.51cm) long-throw aerated polypropylene cone driver, featuring a butyl rubber surround, delivers an impressive bass response despite its compact design.
- Two 1-inch (24.5mm) anodized aluminium dome tweeters with rubber surrounds and neodymium magnets provide enhanced power handling, smoother response, and greater accuracy. The dual tweeter array, with the ability to aim each tweeter individually, ensures excellent imaging whether used as a single stereo speaker or as part of a stereo pair.
- The patented water-resistant PowerPort bass venting system efficiently enhances bass output by 3dB, offering a rich and realistic bass performance. Being Polk all-weather certified, it can be placed anywhere without concerns about moisture affecting its operation.
- The dual voice coil Dynamic Balance® aerated polypropylene cone with a rubber surround ensures better power handling and efficiency.
- With a single/dual input switch and the dual tweeter array, the Atrium8SDI can be used as a high-performance stereo loudspeaker or as part of a stereo pair, allowing for versatile configurations.
- Its broad coverage is achieved through a more steeply angled baffle design, maximizing mid- and high-frequency dispersion across a large area without sacrificing detail.
- The durable mineral-filled polypropylene cabinet, featuring moulded-in bracing, provides sound quality that resembles a true speaker, capable of withstanding years of seasonal changes, regardless of the weather.
- Patented Dynamic Balance and Klippel optimization technologies guarantee optimal material performance, eliminating driver and tweeter "artifacts" for realistic sound reproduction at any volume level.
- Polk all-weather certified Atrium Series speakers exceed industry and military standards for environmental endurance, ensuring they can withstand extreme temperatures, heavy rains, and more. The use of aluminium grilles and brackets, along with stainless steel and brass hardware, prevents rust, ensuring long-lasting durability.
- Gold-plated 5-way binding posts ensure secure and efficient connections.
