Great interface, especially for iOS devices although you will need the Lightning to USB 3 Camera Adapter. The interface can be powered by USB, two AA batteries or an external usb power supply. I used the interface on my laptop but with the computer having hardware issues, the U-22 was not working right. Make sure your computer is working properly before assigning potential blame to the interface. The pre-amp is clean but has low gain. Most are this way so for low gain mics, use a booster or a separate mic pre-amp. And for your keyboards or guitars, use a DI Box for better input signal. Audio interfaces are all the same, expect the ones made for studio use. Those have more options including higher gain pre-amps. And remember, this is just an external sound card that is much better than the one in your computer. The U-22 comes with Abelton Lite download code, so that's a bonus. Overall, i like it!Read full review
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