Polk Audio Atrium 8 SDI Black High Performance All Weather Outdoor Loudspeaker with Dual Tweeters and PowerPort Bass Venting.Single/dual input switch and dual tweeter array allow you to work the speaker as a single high-performance stereo loudspeaker or as an L/R stereo pair. It's time to experience enhanced indoor sound - all from an outdoor loudspeaker you can put anywhere around your home. This patented technology analyzes the speaker's entire electro-acoustic and mechanical system for improved material selection and more efficient geometry. Built to withstand any weather conditions including, salt fog, UV, extreme temperatures, or heavy rains, and more. Aluminum grilles and bracket, with stainless steel and brass hardware, means no rustever.

Features

• Engineered with a dual voice coil, Dynamic Balance® aerated polypropylene cone with rubber surround for greater power handling and better efficiency
• All-weather certified and water-resistant to withstand the worst elements
• Patented water-resistant PowerPort bass venting efficiently adds 3dB of big, realistic, musical bass output
• Single/dual input switch
• Flagship All Weather Loudspeaker