THX Amplification chip
The SP400's amplification circuitry includes a high-performance THX AAA-888 chip. It is capable of developing a high power output to accompany the vast majority of headphones on the market, including the most demanding, while maintaining a very low level of harmonic distortion. This chip is, of course, accompanied by high quality and high precision components to enable the SP400 to unveil its full potential and a rich and accurate reproduction.
In addition, the SP400 supports playback of Master Authenticated Quality (MQA) files, which provides playback as close as possible to the original studio recording.