Nordost Blue Heaven 3 Speaker CableBlue Heaven 3 Speaker Cable When first introduced to the hifi market, Nordost's flat speaker cables were revolutionary. With their distinctive design and cutting edge production method, Nordost speaker cables transcended conventional expectations. Now, 30 years later, after several iterations, the Leif 3 Blue Heaven speaker cable is still making waves in the industry and remains a highly celebrated, respected audio component. The Blue Heaven Speaker