These are some of the best-sounding in-ear headphones available today. The TripleFi name comes from the fact that they have three separate drivers for reproduction of low, middle and high frequencies. It's like having high-end three way speakers in your ears.
The rated frequency response is 10Hz - 20kHz and the snug-fitting in-ear canal design blocks outside noise by up to 26 dB so you can enjoy your music, even in noisy environment such as a crowded bus, subway or a busy airport runway, at lower volumes, without distractions.
Check out my take on these headphones in my full TripleFi 10 Review. These 'phones earned 3.5 stars out of four (excellent) at their full list price as well as the coveted BIGGIE Award.
Note that my review was of the "vi" version with built-in microphone, but what's on sale on Amazon today is the standard earphones with no integrated mic. From what we've heard, you can buy a replacement cable from Logitech (ultimate ears parent company) for about $20 that will turn this mic-free version into the microphone version. This makes them ideal to use with an iPhone or other smart phone so you can take calls (and pause or advance tracks) without having to fumble with your phone.
Note that this is a one-day only deal, subject to stock on hand so don't wait around if you want to pick up a pair.
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