Great sound makes a big difference, especially when you hear every building block that creates the whole sound. Let the Sennheiser MX 400 II deliver your quality sound that is well-balanced in every aspect. The Sennheiser MX 400 II In-ear Phones give you a superior fit in the ear canals. This offers you the highest attentuation of ambient noise possible. It contains Neodymium magnets have been tuned to give you natural sound reproduction. 

Features

High-end dynamic speaker systems with Neodymium magnets
Superior fit in the ear canals
Integrated volume control
Various accessories included: cable clip, cable winder and carrying pouch
Optimized for MP3, iPod, iPhone, CD players and portable gaming systems

Specifications

Symmetrical cable
Sensitivity: 120 dB / mW
Resistance: 32
Frequency range: 55 ~ 15,000 Hz