I had a failure of the USB connectors on my G5, the DAC connection started to randomly disconnect and the charger connection broke into the G5. Fortunately I had purchased the unit from Headphones.com. They promptly send me a replacement and a return label, and within 48 hr I was back up an running with a new unit. They said this was their first failure. The new one sounds as great as the one that failed.
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