ULTRASONE Edition 8 vs. Edition 9...what is the difference?
Originally I thought the Edition 8 was marketed more toward Portable Use (MP3)...but looking at the Specifications compared to the Edition 9, they are similar.
1. Are the Edition 8, just the next headphone upgrade from Ultrasone?
2. Could the existing Edition 9, be used for Portable Use (MP3)
Could someone please explain
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