I really don't leave many reviews but since i'm on adderall and finally got my speakers working again, I'm really excited to share. This volume knob works incredibly well with my system.Mac --> ODAC --> Nobsound VOL --> Schiit Vidar(1) --> Ascend Acoustics Sierra 1sPrior to this nobsound vol control I was using a Schiit Asgard 2 Headphone Preamp. It sounded pretty good as well but the volume control was noisy and you can hear clicks and distortion in the speakers as you're turning the knob. The nobsound also seems to have a wider soundstage compared to my Asgard 2. I was worried that going with a passive preamp would sacrifice some gain but that is not the case. In fact I can turn the volume louder while getting less distortion than compared to the Asgard.There's a review stating that they experienced some issues where the volume knob wasn't linear with the audio gain. Like they noticed the gain jumping significantly from only slightly turning the knob. I was worried I'd run into the same issue but that hasn't been my experience. The knob feels very solid and the gain does seem pretty linear to me.5/5 stars. I couldn't be happier. I also now have something small enough to set on my desktop.