Found a very interesting IEM review thru a finnish hifi forum DVD-plaza. It's an IEM review from Secrets of Home Theater and High Fidelity magazine: http://www.hometheaterhifi.com/volum...07-part-1.html The results are pretty interesting. Denon AH-C700 is the winner & UE EB is better than 5...

So can I implement the power switch with the input jack in my simple cmoy amp? I would like the amp to turn ON when the headphones are plugged in. I've seen these 5 pinned jacks, but I don't know quite how to use them to my purposes. There are also some plugs with even more pinns. Would that be...

I travel quite a bit with airplanes, but the trips are pretty short, 1-2h. This means that some 70% of the time the plane is either ascending or descending. I would like to have IEM's there to block the noise, but got worried because of the pressure. IEM's make a seal in to your ear. Now if...

So what are these: http://www.thomann.de/fi/sennheiser_ie_4.htm First I thought that they were some renamed CX300's, but it turns out that these cost twice as much So has anyone tried 'em and do they differ from CX300's?

This is kinda neewbish question, but it still bothers me Why should the source have any practical effect on the SQ when it's connected to a DAC with a digital IC? I mean, optical discs, like CD's, introduce errors once in something like 100 000 bits. Add some error correction and you're...