For Nintendo Switch users, you will require:
Remember to have your personalized Super X-Fi profile loaded onto your Sound Blaster Katana V2 before attempting to set-up on your Nintendo Switch.
Use the provided USB C-to-A cable to connect the Sound Blaster Katana V2 to the USB port on the Nintendo Switch Dock.
Connect the Sound Blaster Katana V2 to your TV with a HDMI or optical cable. Then connect the Nintendo Switch to your TV with another HDMI cable.