Regarding the quality of the DAC conversion - for me it`s important to check if the volume control is implemented by slicing bits from the samples (mul/div by 2/4/8/16/32/etc) or there is analog hardware potentiometers with digital control. Cheapest usb devices usually do not have analog...

ThanX. I`d be glad if someone could post here how to open the device without breaking it. Mine has a more important than the signal quality issue - it sends a spike to the power amplifier (very annoying). It happens everytime when the USB bus is reset - when I power on the PC or when i do a...