Polk Audio Atrium 4 Outdoor Speakers (Pair, White)

Atrium Series Speakers exceed baseline industrial and military specifications for environmental endurance Anodized Aluminum Tweeter Domes with Rubber Surrounds are absolutely immune to the elements, provide the smooth Newly designed tweeter phase cap smoothes the frequency response from 12KHz up to 20kHz, the last audible octave.

Broad Coverage Baffle Design adapted and applied from our current Atrium design but a more steeply-angled baffle design Speed-Lock Mounting System for easy, safe one-handed installations even in difficult locations. Anodized aluminum tweeter domes with rubber surrounds are absolutely immune to the elements, offer better power handling and smooth response. Atrium Series Speakers exceed baseline industrial and military specifications for environmental endurance.

Broad coverage baffle design fills a large open outdoor space with big, full-range sound. A more steeply-angled baffle maximizes critical mid- and high-frequency dispersion over a large area, without sacrificing detail. Speed-Lock Mounting System for easy, safe one-handed installations even in difficult locations; 5 years parts and labor Tweeter phase cap smooths the frequency response from 12KHz up to 20kHz, the last audible octave.

Technical Specifications

Driver Complements Mid/Woofer 1 - 4-1/2" Diameter (11.43cm) Dynamic Balance® Mineral Filled Polymer Cone with rubber surround Tweeter 1 - 3/4" Diameter (1.91cm) Dynamic Balance® Anodized Aluminum Dome Tweeter with Neodymium motor structure Electrical Overall Frequency Response 75Hz-25kHz Nominal Impedance 8 ohms Recommended Amplifier Power 10-80 w per channel Efficiency 89 dB Inputs Gold-plated 5-way Binding Posts Dimensions Cabinet Size 8-5/8" H x 5-11/16" W x 6-11/16" D (21.91cm H x 14.45cm W x 16.99cm D) Mounting Options 180-degree Speed-Lock® Mounting System Enclosure Type Sealed Shipping/Other Product Weight 3.60 lbs. (1.63kgs) Total Shipping Weight 9.50 lbs. (4.31kgs)