How come there's only pretty much <200/100$ ultra portable dac amps straight too your smartphone? How come there's no totl non daps? I've been waiting for months ... Any1 else waiting seems like it's just never going to come....???

Hi, im new too this stuff and guess ill just go for a tube amp and not a normal amp cause it seems badass and yolo. The budget is 100$ and I have an smsl idea dac amp too connect too it for dac responsiblities. So it will go from computer>idea>tube amp>iem(correct me if theres anything wrong...

When I connect this too my front USB ports of my CPU tower it says power surge and some other stuff and that I have too remove it. When I plug it in the back back tower USB ports those work. Why is this, it's rlly annoying because the iem chord just isn't long enough too reach my head soooo what...

https://www.amazon.com/gp/product/B01M1HJVZY/ref=od_aui_detailpages00?ie=UTF8&psc=1 is this thing any good and will it work easy with google pixel ? im looking to primarily increase bass output and quality