Before you buy, make sure to check your country's wireless frequency rules. Using certain frequency ranges might be illegal in some countries. This unit has only undergone a power - test.

To use this Sennheiser TX 63 wireless instrument transmitter, first ensure it's compatible with your XSW - D system. Check the power level and turn it on. Connect your musical instrument to the transmitter. You're all set to play wirelessly. Remember, always check your country's wireless frequency laws before using it. As for maintenance, keep it clean and dry. Avoid exposing it to extreme temperatures. If you notice any issues, get it checked by a professional.