SA-98E is based on ST Microelectronics TDA7498E core, use of EPCOS,PHILIPS,ALPS,EVOX,DALE,ERO refined accessories such as high fever, high quality digital amplifier, all its accessories to stick with original product. the Efficiency is as high as 85%, so it won"t produce too much heat under the high power work, very suitable for use in the workplace for a long time (supermarket, etc.) in public . With avant-garde design and rich color choices, more easy to match your environment that occupy the home.