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You have until Feb 1, 2017 to return or exchange items purchased between Nov 1, 2016 and Jan 1, 2017. All other standard return policy conditions apply.
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The PowerBus USB Power Supply for USB-Powered Audio Interfaces is designed to be used as a dedicated power supply for your USB-powered audio interface so you do not have to rely on the shared internal power supply of your computer. It has a built-in ground lift and includes a USB cable and connects between your interface and your computer.
In the Box
Power Bus PowerBus USB - Power Supply for USB-Powered Audio Interfaces