The SA700 is a re-designed of the original AK120 into a simple yet refined form. The SA700 is the first DAP to implement the AK4492ECB DAC. AKM's AK4492ECB is a DAC that aims to achieve the best performance in the industry based on the technology gained from developing the AK4497EQ.
The LED around the volume wheel is not just a visual effect, but an intuitive LED indicator that shows the frequency of the file data being played and the volume control. The SA700 has a new GUI that incorporates hints of nostalgia from the first generation with the current GUI.