Up2Stream pro and USB-input issues

DIY Products&Projects
1

Hello

I recently bought an Up2Stream Pro and have some difficulties to set it up according to my needs.

My set up are:

HTPC with Ubunutu <-USB-> Up2stream Pro <-I2S-> Amp with DAC

I have made the connections and in general does it work, however are the some minor hick-ups that I need support with.

  1. I would like to have the Micro-USB as priority input. I can start the Up2Stream with USB-input. But if I go over to WiFi of BT can I not go back to USB without rebooting the Up2Stream.

  2. Is it possible to have USB as priority input?

  3. If not, is it possible to disable the WiFi and BT to avoid it taking over from USB?

  4. The volume settings when using the USB are not consistent. Most of the times are the Volume levels with USB-input significant lower than with WiFi or BT. This makes the change from USB->WiFi impossible without changing levels on the power-amp to the speakers. It is inconvenient to do this. I also feels that I need to use over-amplification on the HTPC to level out this issue, with digital clipping as a result.

  5. I also find the volume levels to be unlinear with USB-input. From 0-50% are the sound almost un hearable. It is not until iIpass 50% as things start to happend.

2

Hi, and welcome to the forum.
Your post is a little confusing to me as in one sentence you are saying that you want to disable the wifi and Bluetooth and in the next you want all of the line levels to be the same?
When your Pro board is connected to your computer via the micro USB it is driven by default, so your computer will find a new audio device without any other operation