Ultimate Ears 900 Noise-Isolating Earphones deliver sound that’s surpassed only by our professional Custom Stage Monitors, thanks to four-armature speakers and a three-way crossover in a universal fit.
“ After around 50 hours burn-in: - Muddy, fat yet shallow bass, recessed mids, non-existent highs. if the mids aren't this recessed it is actually quite smooth, and there/s no sibliance problem cos there's no highs. one should not underestimate the power of burn-in but if burn-in can turn this into something half-decent i'd be really pleasantly surprised. i'll do another review after maybe a...” --productred
“ I would personally like flat colors on the design but hey ts just me. Noise Isolation is really great (and I regularly commute home here in Manila, which is really loud at peak hours) Would I recommend it? Well Sure if you really are on a tight budget, but if you can add $10 to $15 dollars more you can get a sweeter pair. ” --PLsg08