ESS Labs' technology results in better listening
Experience HF audio reproduced by the legendary ESS AMT transducer!
Oskar Heil's original patented air-motion transformer is manufactured in the United States by ESS Laboratories. The ESS AMT high frequency device reproduces audio to a very high degree of accuracy, and its resolution and detail are remarkable. ESS also produces replacement diaphragms, woofers, and passive radiators, making it easy for ESS speaker enthusiasts to maintain their systems' performance.