• Flangeless Appearance with WavePlane Technology • 6.5” Polypropylene Cone Woofer with Rubber Surround • Pivoting 1” Liquid Cooled Silk Dome Tweeter • Timbre-Matched to All One Series Speakers SpeakerCraft Profile CRS6 One 6" Fixed Woofer Series Speaker CRS Series speakers deliver spectacular SpeakerCraft sound using the best-quality parts, the most meticulous engineering and proprietary technologies such as our WavePlane tweeter baffle for a broader, bigger sound. Profile grilles are an option on the CRS8 and CRS6 models—and even on the CRS3, our tiniest and most discreet in-ceiling speaker.