Quality is good too. The noise cancellation doesnt work that well. Well to start off, I put the bag on a 1300 mile test thru dry, hot, wet weather and it put up with it all. I think the bass is best described as tight, so dont expect deep and throbbing. works ok unless you twist the plug as its connected to the phone. FYI: I have some hearing damage from military service and if youre hearing is not great you will truly appreciate the extra volume these headphones provide. No supe elegir bien el número yo quiero 25 mexicano My third test was with both the HX400V and the CX900:I recorded live musical instruments (drum set and bass guitar) in a small room (13 x 13) with a running ceiling fan. Overall this is a pretty good headset for the money. Great for the money!