Solved my own question, The ohms for where ever you're plugging it in at must be the same as the headphones. since my DT 990s are 250 and my sound card is 600 and my on-board is ??(definitely not 250 though) that's why this is happening. What is the cheapest 250 ohm headphone amp that someone...
I got a 250 ohms Beyerdynamic DT 990 Pro and it sounds nearly the same plugged into my motherboard (ASRock Z270 Pro4 LGA 1151) as it does my 600 ohm sound card (Creative Sound Blaster Audigy FX PCIe). When plugged into my motherboard or sound card they aren't quiet or loud, but if i had to...