usb isolator

Hi, I have got a hiss noise issue coming from the speakers with my current setup that I use for music production (recording guitar and voice), music listening and calls. I think it is due to a USB power leakage but I would like confirmation from experts :) Attached file is a recording of the...

I am seeing and hearing a fair bit of unintended noises coming from the USB-powered Audient ID4 mk. II Silence, normalised to 0dB: Zoom-in Observations so far: The noise can be heard when PC is idle. It gets worse when GPU is busy It gets better when CPU is stressed. Even then, there are...

Audio: PC - USB - E30 - L30 Power: Dedicated 20A to office closet - cyber power Sinewave 1500 UPS - PC/Accessories + separate Isobar strip for stack/monitors/sub *No noise present via Headphones or IEMS Purchased Adam T5V powered monitors and their sub. Hiss is minimal even with the gain all...

Olimex USB-ISO isolator Sometimes I need to break the loop created by 2 USB devices on same PC or a ground loop from class I grounded PC to class I grounded amplifier driven from USB DAC. So I bought and inexpensive Olimex USB-ISO and had hoped it could fix an issue if it occurs. But it did...