Before buying, make sure to check your country's wireless frequency rules. Using certain frequency ranges may be illegal in some countries. This unit has only undergone power testing.

To use this Sennheiser TX 63 wireless instrument transmitter, first connect it to your instrument. Then pair it with the receiver of the XSW - D system as per the instructions. Before using, always check your country's wireless frequency laws to avoid any legal issues. As for maintenance, keep it in a dry and clean place. When not in use, turn it off to save power. Also, only use the recommended power source for charging or powering it. Remember, this unit has only been power - tested, so handle it with care.