Description

Boasting increased bass response and SPL output, Sennheiser’s MX400 in-ear headphones sport a glossy black finish with silver print and chrome accents. The MX400 comes complete with a convenient black pocket-sized cord-windup carrying box. The headphones have a frequency response of 18 to 20,000 Hz and a total harmonic distortion of less than 1 percent.
Technical Details
- Renowned Sennheiser quality
- Full-bodied stereo sound with powerful bass response
- Ultralightweight design for comfortable musical enjoyment
- 18 to 20,000 Hz frequency response
- Convenient wind-up pocket carrying case

Users reviews:
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Amazon reviews:
I returned the item for a prompt refund but was dismayed when there was no acknowledgement of the obvious defects; on the contrary, I was told that the sound was superior!
This was an annoying experience to say the least.
I have a bunch of these lying around the house and office. I replaced my ipod free headphones with these guys and i'm very happy with them.