Hi everyone. Thanks for taking the time to help me!   I started off on head-fi many years ago with a recommendation to buy sennheiser hd-25-II headphones. I bought them and I liked them, but I was looking for more bass and wireless. Sennheiser came out with the wireless momentum over ear...

How do headphones like HD 800 compare to a sound system like a Logitech Z5500? How do they compare to a Logitech X540? ??????

Is this a legit deal? Sennheiser HD-25 1 ii HD25 25 1 Studio Headphones NEW on eBay.ca (item 370351135441 end time 16-Apr-10 09:19:36 EDT) Any help would be greatly appreciated. Also, do you think it matters if I get it without the 6.3mm adapter and bag? is the bag crap?

The only important factors are isolation, and I will not be using amplification.

Which of these are the better headphones? I will be using them without an amp, from an iPod. Isolation is important.

Thoughts on the Ultrasone DJ1 and HFI 580, are these any good? DJ1: $160 HFI 580: $190

I hope I phrased the question right, basically i am trying to find out what would be the maximum output of the iphone/ipod, what would be too much for the iphone to handle?

Can anyone suggest to me what headphones are good for the iPhone/Computer source (I have a creative x-fi titanium pro sound card) I keep researching, I have been for all of today mostly, and I keep getting mixed messages from forum members (especially when they say that "these are the best...

I have read up on this forum, but I'm wondering how would very good headphones + a portable amp compare to some headphones that don't need one that are pretty good themselves? An example would be the AKG 702 + portable amp VS. HD 25 II