Atlantic Technologies IC-6.1-S Ceiling SpeakerExperience the Atlantic Technology IC 6. 1, a compact ceiling loudspeaker that delivers big sound and high performance that will surprise even the most discerning listeners. This speaker features a long excursion 6 1 2 Polypropylene woofer and a pivoting 1 soft dome tweeter, coupled with a sophisticated crossover network. With its magnetically attached grills and ultra thin bezel design, it offers a refined look that complements any decor. The IC 6. 1