I ended up buying several pair and took them home and made a decision. What I tried: Astro A40 Halo edition with Mixamp 80 Steelseries V3 Polk Striker Pro Turtle Beach XO Seven Pro I decided on the Polk because of build quality. Friends said mic was crystal clear and my voice sounded like me, music tested and the polk just blew them all away, very clean and clear and not to much bass. Seemed that the Polk just had more background detail sounds on Destiny and grenades on Call Duty were nice and punchy and tight sound. Footsteps seemed more pronounced as well. Sound separation was very good, you can tell if something is in front, left, right and behind you. The Astro A40 were very close just lacked the detail and comfort that the Polks offer. This is my opinion to my ears and yours may be different. The fit on the Polks just seemed to fit like and old pair of jeans and the sound was like a high end home system. Best of luck.