We will upgrade the 3rd dedicated TCXO clocks to femto level for USB 3.0 audio output port. Lower the jitter of audio signal output in USB 3.0 is one of the most effective way to make your music sound "Real". With this perk, we will put the associated "Super Quiet Clock Power" circuit there too. So your femto clocks get its dedicated shunt regulated power supply lower than 5uV noise. Best power for the best clocks.