“PSB M4U 1: A New Standard is Born Intro I am quite sure that many of you, myself included, have started on the seemingly never ending path to finding the perfect set of headphones. Terms such as too bright or too dark, mid-bass hump and recessed midrange, peaky treble and...” --Bansaku
“Let's start with the build since it is a hot topic on this headphone. It´s not very confidence inspiring but it's chunky. Made out of mostly plastics and cast aluminum for the adjustment arms and probably aluminum or stainless for the hinges, this thing should be quite durable. However i don't see it lasting a lifetime. Since it's so heavy and the plastic seems to be of the hard kind...” --Arvan
“ These IEM's arent the greatest. But these ARE the greatest for $5!! Seperation is great, Clarity is great, Detail is great! Bass is superb! Doesnt muddle out the highs and mids. This is the best buds that ive had for just $5! A reminder, these arent audiophile IEM's, but because if the price, they are probably the best IEM's out there! ” --Ezio
“Expanding on the pros, other likes- - These cans are pretty comfortable imo, with the velour pads and soft headband. I havent had any problems with pressure points on the headband, and have been able to wear them for several hours on end without much fatigue. Clamping force is just right. Tighter than, for example, a Creative Aurvana Live, but looser than my FA-011s. Fairly light weight. -...” --kidcharlemagne
Nike sport in-ear headphones feature sportsound technology.