polk audio atrium four out of doors audio system with effective all-climate sturdiness large sound coverage velocity-lock mounting systemthe compact atrium 4 loudspeaker produces excessive constancy sound great everywhere you want high-quality sound. Its small length makes it ideal for tight, out-of-manner installations. With an aluminum dome tweeter and polypropylene cone driving force in every speaker enjoy deep, accurate bass and smoother reaction. Polk’s patented dynamic stability and klippel optimization technology make sure best cloth overall performance, removing driver and tweeter “artifacts” for more realistic sound reproduction at excessive and coffee extent ranges. The weatherproof cabinet capabilities a rustproof aluminum grille, rustproof aluminum bracket, and chrome steel/brass hardware that could undergo seasonal trade and provide high-quality indoor speaker-great sound for years of outdoor listening amusement. Quick and easy to install with polk’s speed lock mounting gadget. Polk audio psw10 10″ powered subwoofer – featuring excessive present day amp and occasional-pass clear out up to 100 watts huge bass at a outstanding cost clean integration home theater systemsadd deep bass excitement and prolonged dynamic thrills to your tune or film sound gadget with the easy-to-join and smooth-to-use psw 10. Its 10″ dynamic balance composite cone driver and non-resonant enclosure produces deep, easy response with advanced element and accuracy, whilst proscribing distortion. The sub is powered by means of a high-current amplifier generating 50 watts rms/100 watts dynamic strength. A rotary extent control adjusts the extent of the subwoofer relative to the alternative audio system in the gadget and the unit gives a continuously variable low-pass filter, adjustable from eighty-one hundred sixty hz. Effortlessly accessible, professional-grade line- and speaker-stage inputs, and speaker stage outputs, permit easy connection to any system.