Improvements consist of a brand new DAC and new filters, that may be switched in between when you're utilizing the amp's digital inputs, moreover new components from the power amp and phono stages. The latter also gets upgraded circuitry. Besides the circuit over, this can also be a 9V amplifier https://landenwfqwc.blog-a-story.com/3098555/getting-my-tv-sets-walmart-to-work