Recs.
Updated
The AKG K550 is a high-performance closed-back reference class headphone. They produce more of a neutral sound which makes them great for casual listening and also for music listening and monitoring.
SpecsUpdate
Pros
Pro Neutral sound signature
These headphones have a really flat sound to them. The bass is not overbearing yet does make its presence felt in the music. The mids and highs also share the same character of accuracy and neutrality, with some users reporting that the highs are boosted by just a very tiny bit.
The K550 is a great option if you want to mix music using a closed back pair of headphones.
Pro Great build quality
These headphones are built really well. When holding them, you can tell that you have a premium product in your hands. The build features a mix of high quality plastics and metal. These headphones also have a hefty feel to them which certainly reinforces the impression that this is a premium product.
Pro Comfortable
These headphones are very comfortable to wear. The comfort is achieve through the use of high quality synthetic leather on the ear pads and headband which make the headphones' contact points with your body feel nice and smooth. The ear pads also feature memory foam material which provides a lot of cushioning.
Cons
Con Has some ear pad-sealing issues
Some users report that these headphones do not seal well on their ears, giving the sound a lean and weak feel. This issue can be attributed to the softness or size of the ear pads. It would be best then for you to try these first before buying to make sure these seal well around your ears.