This is the fifth generation of home Ethymotic, they are regularly used as an example by the press and the small audiophile world class among the very best in-ear headphones from walking.
Their ability to maintain and acoustic insulation is excellent headset comes with 4 different tips and a pair of additional filter, Once found the tip that fits you best you will discover or rediscover a different musical universe with accuracy sound that restores the set of musical component details your favorite songs.
Reproduction of instruments is clear, guitar pieces are divine you will perceive the slightest touch of the strings and percussion are alive you are immersed ...
To fully enjoy your listener strongly advice you to use good music source, avoid low-quality mp3 and if you can prefer her to ALAC AAC or you will not regret it, I paired my Iphone with excellent and very affordable DAC FiiO E7 (found very easily on Amazon at a reasonable price) it replaces the original amplifier output and can be used as a DAC for your computer (PC or MAC).
The HF5 Etymotic come with a good quality carrying case and a filter extractor.
For: build quality, sound reproduction, musical precision, insulation quality.
Cons: the price, are intra handle cables during playback can be heard instantly.
Conclusion: Ethymotic signs here a simply remarkable helmet every respect, a real pleasure to rediscover the music, among the best of intra walk.