[david-gao]

This is very interesting full ballanced headphone amplifier which use 32pcs OPA2134UA chips
also adopt 2pcs MUESE72320 chips to control the volume, the structure is very interesting 
 
But I only regret that the chassis is not so good ,though the sound is amazing!
 
 

 

[david-gao]

I can not believe that it use 32pcs OPA2134 chips, I just receive this headphone amplifier yesterday
I get it from a friend and I will only try it for one week and will ship it back
 
Now it is running in, hope the sound will be better, I will make it work with my T1 headphone

 

[david-gao]

After more than 30hours run in, the sound is better now, more soft and clear
especially for Mezzo-soprano, it is very sweet I like it very much

 

[Theogenes]

Looks like it's $800: Hlly Listing
 
Interesting idea, hopefully we'll see some reviews before too long.