The Control 25T is perhaps the most versatile of JBL Professional’s Control Contractor Series indoor/outdoor loudspeakers.Features:• Isolation transformer for 70.7 V / 100 V distributed-line sound systems. • Components: 5.25 in Polypropylene coated woofer .75 in Titanium coated horn loaded tweeter. • Built-in InvisiBall® mounting hardware*. • Weather resistant enclosure and transducers. • Readily paintable. • 90° x 90° high frequency horn. • Overload Protection Circuitry.