I'd like to share my experience with these headphones: I got them a few years ago and I'd consider them my first budget pair of hifi headphones. Reading Amir's review actually made me relieved more than anything, because you can find these open box on amazon for pretty cheap, I believe I got these for $64 when I bought them, so based on his review, if these are close to good at $145 then I'm beyond happy. They're surprisingly light feeling and they clamp without compressing. I do want to know what a good replacement set of open-backs would be within the $300 - $400 dollar price point
-- This part is not so much about the headphone review, but for beginner audiophiles that may have stumbled here -- now I did look up openbox on amazon and they are at $124, so idk if I can recommend them for that price UNLESS you are just getting into hifi, I recommend purchasing them and then returning them after a month to get a feel for higher quality budget headphones and learn what you do and don't like, but definitely don't keep these until you've had a chance to hear a couple of headphones. I followed the same format when purchasing speakers, because Amazon allows free returns on most audio equipment for 2 months and that's how I figured out the sound signature that I like and landed on the Elac 6.2s for my first set and funny enough I use the Klipsch RP600M mk1's (EQ'd of course), a monolith USB dongle dac and the Rotel A11 Tribute Mk1's.
Everything I've bought is open box, The Elacs (Amazon) and the Klipsch's (FB Market Place) were both only $200 when I bought them, and Monolith sold their dongle for like $20 when they realized how low the quality was for the original price (great quality for $20 bucks though) and the Rotel I found for $100 off on Crutchfield. You don't need to go in debt, you don't need to rush, and return policies exist in case after a month you realize you get ear fatigue or something from a set of headphones or speakers.