About the Metra AX-SUBUSB2 USB Adapter
Keep your vehicle's USB port working
Metra's AX-SUBUSB2 cable allows you to keep the factory USB port in your vehicle when you install a new car stereo. One end of the cable connects to the plug just behind your vehicle's USB port, while the other end plugs into the USB port on the back of your new car stereo. You must install a car stereo with a rear USB port. Warranty: 60 days.
More details on the Metra AX-SUBUSB2 USB Adapter
USB Adapter Harness: The Axxess Integrate AX-SUBUSB2 USB adapter harness is used when you want to retain the factory USB port in select 2015-up Subaru vehicles, when replacing the factory radio with an aftermarket stereo that features a rear USB input.
Note: This USB adapter harness will work with Apple CarPlay or Android Auto, except if your vehicle has multiple USB ports or if your new aftermarket radio doesn't have a high-amperage charging port (1.5A or greater).
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