The Sennheiser HD 558 headphones feature a couple of neodymium drivers that produce a frequency response of 15Hz – 28,000Hz with a 50-Ohm of impedance. Designed for MP3 players, these headphones adopt Sennheiser’s innovative E.A.R. technology which ensures accurate channeling of audio signals into your ears. The Sennheiser HD 558 headphones are priced at $139.99.

Source: TechFresh

Sennheiser HD 558 Headphones Pictures

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