V-MODA VAMP Verza Amp/DAC/Battery for $400 (or $332 used)

The V-MODA VAMP Verza amp, DAC and battery pack (for mobile devices) is currently on sale for $400 by V-Moda thru Amazon. Or if you want to save some more, it goes for $332 in “Used – Good” condition via Amazon Warehouse Deals (there are more listings in “Used – Very Good” for $354). This averages 4.6 out of 5 based on 23 customer reviews.