The best replacement for usb input is usb port.

The best alternatives to usb input are rated as following:
★★★★★  usb port

Your alternative for usb input is not listed? Suggest!
Speaking about usb input, one probably shouldn't forget about audacity.

Other search terms related to usb input and their ratings are:
★★★★★ audacity
You have in mind a companion for usb input and it is not yet here? Propose!



Google Trends

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usb input
usb port