InsideHW.com has posted review for Altec Lansing inear headphones UHP101 & UHP307. You can read a clip from review:

“This time we have tested two models of inEar headphones from Altec Lansing. UHP101 and UHP307 models don’t have attractive nor interesting names but they definitely stand out in mass of standard inEar headphones that you can nowadays find on the market.
Both models have same 15mm High Power Neodymium Drivers and because of differences in construction of resonant chamber, the resulting sound is not the same.…”

If you are interested to read some more, we present you link:

http://www.insidehw.com/Reviews/Multimedia/Altec-Lansing-inEar-Headphones-UHP-101-and-UHP-307.html

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Altec Lansing inEar Headphones UHP101 & UHP307 @ InsideHW