Questyle CMA 400i DAC/Headphone Amp
I was thinking this was a nice $1,000-2,000 product as Questyle's representative was going over the features: 3 types of headphone jacks (regular unbalanced, 4 pin balanced XLR and 2.5mm balanced), USB/Optical/SPDIF inputs on back, swithcable gain via three small switches on the bottom, and AKM AK4490 DAC chip inside.
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