Headphone Reviews and Discussion - Head-Fi.org
drbluenewmexico
drbluenewmexico
you can get an open box 400i at RazordogAudio.com for 375.00  they are an authorized dealer and a pleasure to deal with!
snellemin
snellemin
I purchased mine through RazordogAudio.  Quick shipping and good prices.
xkonfuzed
xkonfuzed
HD650 is a prius? You either know nothing about headphone or you know nothing about cars. 
snellemin
snellemin
In respect to power capability, yes the HD650 is a prius.  
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