1. What is the 5 Pin Jumper J3? 2. Anyone know what the 5 Pin jumper J3 does? 3. And why isn't it jumpered? 4. What will happen if I try and use it as a 'line out?'

What does the 5 Pin Jumper J3 do? It's near the Blue LED that keeps flashing. Anyone know what the 5 Pin jumper J3 does? And why isn't it jumpered?

High Gain on my Asus STU doesn't seem very high, or isn't being activated. In fact, Using it with HD600 and Samsung Galaxy 7 I thought it would be a 'killer combination.' I thought the STU would be much louder than it is. When I 'flick the high gain switch on the back' nothing happens, it just...

What is the 5 Pin Jumper J3 near the Blue LED that keeps flashing. Anyone know what the 5 Pin jumper J3 does? And why isn't it jumpered?

Quote:   Ta.  It's settled.  I'll go for the HD600's.   Thanks everyone.     I think I'm going to enjoy them. 

do  Quote: Kool.     Given that I have now crossed the AD 700's off the list do you think I would be better off considering the HD650's instead of the HD600's?   The HD650's actually appear to be cheaper around the traps on line. Why is that?  I thought that based on the model number...

I was thinking that.   It was just a toss up between the "New" and "Second Hand".    Also, I noticed the Audio  Technica's are only a 3.5mm jack and 35 ohms (I think).   I was wanting something higher than the HD555's (HD595's) @ 50ohms in order to try them out. ... More punch.    It was...

Hi all. Long time lurker here.    Quick question.  I know headphone listening is a subjective experience but:   I have the opportunity to purchase either the Sennheiser HD600 or the Audio Technica AD700 (not AD700x) ... but not both.    I would be running them through an Asus STX on...

This is pretty good.  Thanks for this, but the original link no longer works; I had to google it to download.     Anyone know anything about the T-Gone website and what they do, how that stuff works? http://www.t-gone.com/ringing-in-the-ear.htm   I am interested in trying anything.