The Pyle PDWM3400 is a professional Uhf wireless microphone system designed for high-quality sound transmission in a variety of settings. This system includes (2) beltpack transmitters, (2) headset microphones, and (2) lavalier microphones, making it ideal for events, performances, presentations, and more. With up to 8 selectable frequency channels, you can enjoy reliable and interference-free wireless audio transmission over distances up to 160 feet. It features independent adjustable volume controls for each channel, Xlr and 1/4"" audio outputs, and a rugged receiver for ease of use in different environments.