I currently have a DT880 600 paired with the Asgard 3 and Atom Dac, Im looking for headphones that is the opposite of the dt880 so more like a “fun” set of headphones may be a little warmer sounding cans. I listen to any type of music ranging from blues to rap and from time to time some EDM. my range is around 300 usd. Thanks for your recommendations.
Audioquest Nighthawk (or Nighthawk Carbon). Only available used at this point though. You should be able to get a used one around $250 or less. 
Maybe the HiFiman Sundara’s? The Meze 99 Classic’s are also pretty fun.
Sundara to me has a lot of carry-over to ET880. They’re somewhat neutral-bright, detailed. I think something thick like Fidelios or something would be in order. Meze 99, sure. You have good single-ended power available, so that shouldn’t be an issue.
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