MartinLogan Helos 100 High-Performance 8-Inch In-Ceiling Speaker (Each) (Discontinued by Manufacturer) A high-performance in-ceiling loudspeaker Equipped with 1-inch tweeter with high-intensity neodymium magnet Contains precision-built, advanced-topology Vojtko crossover technology Equipped with a high-resolution 8-inch aluminum cone woofer Paintable frame and grill cover