Depends on the motherboard, these really don’t take much driving power at all and most motherboards that are up to date will run them just fine. It runs on consoles well too even my phone granted my phone sounds a little quieter than I would like, but it has a rather weak audio chip in it.
Pretty sure I have said this during my review, but the audio barily changes at all when using an amp. These are not picky headphones whatsoever. I see that @JJPablo here is saying the same which I completely agree. I would just say avoid using a more warm amp as it can lead to some slight distortions in some songs. The headphone just can’t seem to take any increase in bass increments outside of slight adjustments(or a pad swap that but makes the bass super muddy and boomy).
Depends on if you plan to buy another headphone at some point. If you are, go ahead and pick up an amp, however if you don’t have a dac then consider a Combo unit at that price point. Ifi zen Dac is a warm amp but it doesn’t horribly interfere with the tygrs(just for the love of everything don’t hit the bass boost button… sounds like you put your ear next to a running garbage truck crushing things from how much distortion you get) or something like a Soundblaster G6 or X3. G6 over there has a better dac so if you want a better amp later(consider g6 isn’t all too powerful) you can just plug a dedicated amp into the g6 and keep that as your dac and be good to go. It also is compatible with consoles(new gens may need an adapter).
If your going to shop for an amp/dac look at Head-fi, Amazon, Ebay, Buy/Sell and Looking for Thread here on the site, https://www.reddit.com/r/AVexchange/ here on reddit, USA Audio Mart, and lastly https://www.hifishark.com/ can scour multiple sites for a deal by typing in the item name in the search bar. 3rd party you will save a ton of money. just always use Paypal with an invoice so your protected financially and make sure they have photos showing the condition of the item and a little card showing the date and their username which proves ownership. Gives you security during sales
weird, my phone made it sounds a touch brighter, like I had some ever so slight sibilance on some vocals while listening to some youtube videos. May have been a bad recording but it was quite a few videos. Nothing really bothering for me personally, just noticeable.