Micro desktop combination audio systems have a long history of development, with advanced and ultra small combination audio systems appearing more than 10 years ago. However, due to the lack of effective solutions for listening speakers, stereo records, and recording cartridges, they have remained at a lower level. To create a compact audio world, not only do we need to focus on amplifiers, control components, left and right speakers, but we also need to consider the tuner, CD player, and recording card holder together.