The Etymotic ER2-SE gives a clean, accurate sound with its high-performance dynamic drivers. The ER2-SE represents Etymotic's proven noise isolation, which offers more than 35 dB of noise reduction to make sure that you don't have to raise the volume to overcome unwanted external sounds. The “Studio Reference” and “Studio Edition” models are tuned to reproduce the music exactly as it was recorded, without any added coloration. No added treble, no bass boost.
