Etymotic Research MC5 Noise Isolating In-Ear Earphones (Red)

Best-in-ClassDr. Mead Killion and his team of engineers set out to create the world's most accurate noise-isolating earphones under $100 for the cost-conscious consumer. The mc5s deliver on this promise and provide consumers with the "Best-in-Class" performance benefits for their money.In-The-Ear TechnologyEtymotic Research was the first company to develop commercial products utilizing in-ear technology, with the introduction of the ER?1 and ER?2 insert earphones in 1984. Etymotic remains the leader in insert earphone design, offering the widest selection of insert earphones for use in hearing testing, electrophysiological testing and psychoacoustic research, as well as in-ear music monitoring and music listening. Our insert earphones provide the highest response accuracy and noise isolation of any earphones in the world.