SDAT Group Inc. (SDAT stands for Super Digital Audio Technology) is a multinational incorporation registered in California specializing in designing, manufacturing and distributing all kinds of professional audio & video products, including home theater systems, car audio, multimedia speakers, loudspeakers for communication, power-driven loudspeakers, all kinds of stereo systems, DVD players and amplifiers. They are distributed in many countries, such as Germany , France , Canada , America , as well as in Japan and China . We own our brand of SDAT and MixSonic; We also do OEM and our clients include Sony, Siemens, Thomson, Nortel, Alcatel , Sharp and Panasonic.