Profile: Vertek XTC is a manufacturer of loudspeakers and accessories. Our product line includes baffles, capacitors, crossover coils, passive crossover filter networks, speakers, speaker cabinet hardware, and resistors. Our capacitors are manufactured with high grade foils and components. Voltage ratings are 100 volts for electrolytic, and 250 for all poly film capacitors. All voltage ratings are minimum continuous input rated. Our D.C. line stiffening capacitors are available from .5 farad to 2.0 farad with and without voltage display. Voltage display models have turn on leads for displays.