Profile: Chokes Unlimited is an OEM manufacturer and distributor of speaker components, loudspeaker components, & speaker cabinet manufacturing supplies. We also design and manufacture crossover coils, crossover networks, & speaker cabinets. Some of our other products are power distribution blocks, woofers, musical instrument speakers, speaker grills, stage monitors, and ferrite coils. We offer both ferrite bar coils & bobbin coils. The ferrite bar coil value ranges from .13mH to .90mH. The ferrite bobbin coils are available from 1.0mH to 12.0mH.