iPower Low Noise DC Power Supply with International Travel Adapters by iFi Audio (9V) Note: If using the iPower with a non-iFi component, please verify that the output current f the iPower is equal to or greater than the available current on the stock power adapter which came with the device. Although the iPower is an exceptionally powerful device, there is a chance (albeit rare) that a specific device might require more power than it can deliver. All DC power supplies have their ratings printed or embossed on their plug side. Input Voltage: 100-240VAC (50/60Hz) Noise: ~1V (0.000001 V) Size: 3.3x1.7x1.6" Weight: 5.5oz (with cable)