Polk Audio 90RT (Ea) 3-way In-ceiling Speaker<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Vanishing Series RT speakers are timbre-matched to Polk Rti speakers to insure utterly seamless blending from speaker to speaker in systems that combine traditional and built-in speakers. </span></li><li><span class="a-list-item"> Vanishing Series built-in speakers feature our exclusive wafer-thin Sheer-Grille， a magnetically-secured grille that protrudes only 7mm from its surroundings. </span></li><li><span class="a-list-item"> Dual bandpass bass ports are highly efficient in small enclosures， and smoothly funnels the angled woofer's low frequencies down around the driver array </span></li><li><span class="a-list-item"> Easy one-cut， drop-in installation puts built-in audio within reach， with Perfect Fit templates， and a precision flange. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/418XavXklZL.jpg" noproxy>