So right now I have the V-Moda M-100. But if I listen to the Amperior on electronic music even and compare to the M-100s, I notice the Amperior has better detailed sound and M-100s sound muddy like. I know M-100s aren't great with rock or acoustic either, but Amperior has much clearer sound...

Around 3 inches in length and probably 2 inches wide   Also I just noticed I posted this in the wrong area and it should've been in Help and Recommendations

I'm looking for closed headphones for $300 or less. I'm looking for comfortable headphones, that don't leak and isolate well. Though sound quality is ow priority, as I want something to listen to that won't disturb others. I'm usually in a library or public area. Also wanting Closed headphones...