1 Set Polk Audio Atrium 4 Outdoor Speakers Electronics House Audio and Theater First introduced in 2002, the outside Atrium Series set a new standard not only for develop quality, however sonic performance, too. However we couldn’& rsquo; t leave well enough alone. Not only does our new, refined Atrium Series provide better sonic efficiency and simpler install/mounting choices, the series also goes beyond the basic military requirements weather tests, setting a brand-new standard for rugged outdoor toughness under our own more extensive weatherproofing certification program. The outcomes are a pure happiness to listen to. So that wherever you put your Atrium speakers—– by a pool, on a deck or in a sunroom, you can be positive they’& rsquo; ll deliver terrific sound year round. Atrium Series Speakers go beyond standard industrial and military specifications for ecological endurance. Anodized aluminum tweeter domes with rubber surrounds are definitely unsusceptible to the components, provide much better power handling and smooth response. Tweeter phase cap smooths the frequency reaction from 12KHz up to 20kHz, the last audible octave. Broad protection baffle design fills a large open outdoor space with huge, full-range sound. A more steeply-angled baffle maximizes crucial mid- and high-frequency dispersion over a large location, without compromising information. Speed-Lock Mounting System for easy, safe one-handed installations even in challenging places; 5 years parts and labor Atrium Series Speakers exceed baseline commercial and military specs for ecological endurance (ASTM D5894-UV Salt Fog, Mil Requirement 810 Immersion, Mil-Std 883 Approach 1009.8 for salt and rust.) Anodized Aluminum Tweeter Domes with Rubber Surrounds are definitely unsusceptible to the components, offer the smooth, broad high-end variety you require for larger outside spaces Newly developed tweeter phase cap smoothes the frequency reaction from 12KHz as much as 20kHz, the last audible octave. Broad Protection Baffle Design adapted and applied from our existing Atrium design however a more steeply-angled baffle design that takes full advantage of important mid- and high-frequency dispersion over a large area. Speed-Lock Mounting System for easy, safe one-handed installations even in hard places. The considerably streamlined mounting procedure means less parts to “manage.” Shipping Quick shipping is extremely essential for us. Our basic US shipping service is FREE. Your order will be delivered within 2-3 business days upon full payment got. Your order will be provided within 2-3 business days after the handling time. We just ship to the confirmed Paypal address. We schedule the right to cancel any order for any reason at any time. We are not accountable for undeliverable addresses. Returns and payment We provide an One Month return policy from checkout winning date. We enable only PayPal as payment technique FeedBack Your feedback crucial to us, after you get your bundle and you are satisfied with our sevice please leave us positive feedback If you have any issue with your order/ any questions please prior to leave any type of feedback For any questions, using eBay contact system Please visit our eBay store to take a look at other products for sale! Thank you for shopping at our shop.