JBL Control 23T 2-Way 3-1/2" Indoor/Outdoor Speaker Pair White Isolation transformer for 70.7V/100V distributed-line sound systems. Components: 3-1/2" polypropylene-coated woofer, 1/2" titanium-coated horn-loaded tweeter Built-in InvisiBall mounting hardware Weather-resistant enclosure and transducers Readily paintable to match decor