Consumer Alert: Most users do not need a license to operate this wireless microphone system. Nevertheless, operating this microphone system without a license is subject to certain restrictions: the system may not cause harmful interference; it must operate at a low power level (not in excess of 50 milliwatts); and it has no protection from interference received from any other device.
The AMC4181 is a wireless microphone holder with 5/8" X 27 metal threads. The AMC4181 is made of soft plastic material such that the AMC4181 is durable and easy to use.