send me a private  message and i'll give you some tips to buy the pro 900 for less , or just consider to sell to you the new one that i have...i'll give you my email address for a fast conversation on msn messenger or skype.

my friend , trust me , if you does have some money to spend for a portable amplifier just spend it for one of the last versions f the iQube amp...and a good LOD cable ,the company suggest this....that's doesn't mean it would be the best but i think it would pair perfectly with the pro 900 as...

Now i own the pro 900 by more than 6 months and i tried it with the ray samuels predator amp for a week and a LOD cable....i think that the pro 900 do not pair good with this amp , you can't even notice the sound differences..the volume power is the only difference noticeable...i don't like to...

ok I'll buy the hotaudio rm1 , is the only one that my wallet can buy !   When i delivery it i'll let you know how it sound !

hello , does you know some on line store to buy hd music also outside USA ?   I mean also WAV , AIFF , etc... Thanks

i'm focusing on the hand made Hot Audio amp RM-1 modified to sound better with my very sensitive Ultrasone. The price would be perfect for me, did you guys experienced this product?    modified to     

here is some options I found:   - Ray Samuels SR 71A   $450 plus shipping - Hot Audio RM-1 Digital volume headphone amplifier / Thunderbolt DV 1  $199 free shipping      -----_--

my budget still under $ 500 , the less expensive the best for my wallet.

now i'm considering to not buy any USB DAC ,maybe i just don't need it, beacuse would be the same to use the line out of my Galaxy tab with a good portable amplifier on the same price for a better value.   I started a new thread asking about a good amp under $500. You can find it on portable...

hello , i need help to spend my money in the best way to buy my first audiophile portable amp USB DAC to use with my Galaxy Tab and my Ultrasone PRO 900.   honestly i'm thinking also to buy a portable amp without USB DAC and use it by the line out cable and spend the same money for a better...

hi everyone , sorry for the delay , i got some info from Ray samuels ,iBasso,and Headroom CS's.   Here is the options :   iBasso P4  $245 The Predator $475 Total bithead $149   Honestly I'm thinking to buy the cheapest because of my wallet.   What you guys think about...

please help me to find the right portable amp for my ultrasone 900 pro , i listen from my ipod and my tablet.   I talked with RS audio and they said me that i need 5v power supply for an USB connection with the tablet pc, now i'm thinking to use it just with my ipod , i'm i bit confused, i...

Hello , please help me to find some Ultrasone retailer in the London area.   Thank you  

well, i choose Ultrasone because of the S-Logic technology .   I don't care much if open or closed ( open is better because it let the ear canal to breath better than closed do and it' pretty important),now my options still Pro 900 (a bit expensive for me considering i have to buy the amp...

I still want to buy an Ultrasone headphone . Now, open or closed ?  some suggestions ?