Originally Posted by BrockMcCloud
Thanks for the replies!
I'm trying to find a good driver for the Ultrasone HFI 2400's. According to Ultrasones website they have a 70 Ohm Impedence. Somebody told me that using an E10 would work well with these and I was looking at the E17's because I heard they were superior to the E10's. These will be used primarily for use on my computer. I'm using my on board sound card (just some Realtek thing) for my computer currently and I've heard that using a usb DAC can cut down on any noise that might come up from my sound card. Also, having my amp constantly charged and ready for use because of the USB connection is fairly convenient for me.
Does anybody here happen to know if the Fiio E10 or E17 would be able to drive these headphones well? I'm not looking to have my ears blown off in terms of volume but it does matter to me that they can achieve a good level of volume. Would there even be much of a difference between those two Fiio products for my situation? One of the appealing aspects of the E17's is that should I ever want to upgrade my amp setup I could buy an E9K and use it in conjunction with my E17.
As I said before though, I really am no expert on these things so I appreciate anybody who has more experience then I giving me a hand. I'm hoping to spend around the E17's price at most (about $130) so if anybody suggests a totally different set of products I would appreciate it if they could stay near that price range.
Anything can drive 70-Ohm headphones, you do not really "have to" use an add-on amplifier for 70-Ohm headphones.
But just because something can drive a headphone, does not mean it will do a good job doing it.
An add-on amplifier will make sure your getting the best sound quality possible.
There is not a lots of "electrical noise" problems with PCs, it does happen, but lots (1000s) of sound card owners do not have the "electrical noise" problem.
But it's perfectly understandable for those who "play it safe" and stick to an external add-on DAC for use with a computer.
The Asus Xonar DG ($25, PCI) or DGX ($40, PCI-E) sound card can easily drive your 70-Ohm HFI-2400s.
The DG(X) comes with a half-way decent headphone amplifier (rated up to 150-Ohms) and Dolby headphone 5.1 surround sound.
Chances are the Xonar DG(X) has a better DAC then your motherboard's built in DAC chip.
You can get the Fiio E11 ($60), with Fiio L cable ($10) for use with your iPhone.