Summary: Just a few notes to qualify some of the ratings that would not be obvious: The highs are so strong (more than HD800 I think) that I can only give the IE800 a six. Soundstage seems OK to good for an IEM, but not unusual. Portability is good in the sense of size, but the carrycase design is fiddly. Sennheiser's isolation spec doesn't match my simple test with a music speaker playing from a few feet away.
Summary: Excellent sound quality and acceptably wide sound stage for an IEM. They are close to an over the ear headphone experience.
Pros: I have many Sennheiser IEMs and Headphones and the IE 800 lives up to the expected Sennheiser quality, with one exception (See Cons).
Cons: My upper cables are beginning to harden after only 1 month of use. A number of Head-Fiers have this same complaint. Given the upper cables aren't replaceable, this can become a headache if they crack. Then you're periodically sending them back to Sennheiser for warranty replacement (up to 2 yrs, then what?). I had a similar experience with Shure before they switched to detachable cables. This doesn't seem to affect most user but still, for the price you pay, more R&D ...
Summary: great clean sound at all volumes with a slight weakness in the mid region. easy to lose the buds and impossible to get replacements. it took over 2 weeks to be able to take them off while alone.
Summary: The IE800's are certainly a marvel of sound technology. I'll list the positives and negatives in my opinion. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Positives: Build quality is excellent from the ceramic casing and two tiny ports to the supplied case with the serial no etched on a metal plaque.
Vom Klang her absolut perfekt, aber ein paar kleine Verbesserungsvorschläge
Bogomir "Tarzan", Amazon
8 June 2013
Summary: Der IE 800 ist das beste, was ich an in-Ear Kopfhörern bisher gehört habe. Selbst die von Ultimate speziell auf mein angefertigten In-Ear Hörer können da nicht mithalten, obwohl diese vor 4 Jahren damals schon rund 400,00 € teurer waren, als jetzt die IE 800 von Sennheiser, welche mit 699,00 Euro einem Topp Preis/Leistungsverhältnis entsprechen.