These are professional level headphones for producers. Flat frequency response, massive sound stage, perfect for mixing/mastering and for an absurdly low price. Personally, I love open-backs, they're a lot nicer to wear for extended periods. 120 ohms impedance means you'll need an amplifier or a sound card capable of supporting higher impedance or you won't get much out of them. Don't expect much if you're plugging them into your phone. *bonus: they're actually really great for competitive gaming, as the sound is so crisp it's a lot easier to hear people sneaking up on you. This is assuming you have an amp/sound card that supports 120 o...view more