[milford3]

I have the Beyer DT 990's rated at 600 Ohm load.  What is a good portable amp that will drive the 600 Ohm load with my new (thanks santa) laptop?  I'm looking at the NuForce UDac2.

[toocool4]

Have a look at this links

http://www.headfonia.com/the-power-pack-alo-rx-mk3-b/

http://www.raysamuelsaudio.com/products/intruder