Hi. I got one question. Which one is better? http://www.amazon.com/Koss-Plug-Portable-Headphones-colors/dp/B00001P4XA 10-20000 Hz, 112 dB, fits to ears, or http://www.amazon.com/SHP2000-00-Philips-SHP-2000/dp/B000FTWSZQ/ref=sr_1_2?ie=UTF8&s=miscellaneous&qid=1237239233&sr=8-2 15-22000 Hz...