The THX®-Certified ProMedia™ 5.1 personal audio system maximizes audio signals from new 5.1 computer soundcards. The new ProMedia 5.1 comes in a 120 or 230 volt version and is more powerful than any other personal computer audio system in the world, providing the most satisfying ultradynamic surround sound experience available for multimedia applications.

http://www.klipsch.com/product/prod...rue&rmore=False

按照官網的說明PM5.1有出120V跟230V的版本
那是不是表示要用120V的電源才能餵的飽PM5.1