Polk TL2 Satellite Speaker (Each， White)<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Time Lens Technology-The acoustic centers of the tweeter and mid-bass driver are located in the same plane for superior imaging</li><li>PowerPort® a patented Polk technology， extends the low frequency mid-bass driver response as it decreases air turbulence， and eliminates "port noise" and bass output losses up to 3 dB.</li><li>3/4" Silk Dome Tweeters for crisp， clear imaging and smooth response that's never tiring.</li><li>3 1/4" Composite Injection Molded Cones With Dynamic Balance Driver Technology</li><li>Combination Keyhole Slot &amp; 1/4" x 20 Threaded Insert fits all aftermarket ceiling and wall brackets for ultimate flexibility</li><li>Time Lens Technology-The acoustic centers of the tweeter and mid-bass driver are located in the same plane for superior imaging</li><li>PowerPort a patented Polk technology， extends the low frequency mid-bass driver response as it decreases air turbulence， eliminates "port noise" and bass output losses up to 3 dB.</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41lm1F3soPL.jpg" noproxy>