Why Power Conditioning? If you compare electrical power to drinking water, the quality of the typical household AC power will equal the quality of tap water. If you are like most people, you don't drink tap water unless it has been well filtered. Why then let polluted AC power enter your home theater components? Typical household AC current is immensely polluted with microwaves ovens, air conditioners, refrigerators, etc., and can significantly diminish the performance and lifespan of your components. Acoustic Research Power Conditioner purifies the electrical current from noise and interference, and lets only the clean power enter your equipment. The results: Better picture, Better sound. THING FLING price only $7.99.