This 8-channel wireless microphone system is perfect at an event or party when you need powerful wireless coverage. This professional system features dual telescoping receiver antennas for the highest quality signal. Includes 8 microphones that operate up to 180 meters. Outputs over mixed ¼ outputs. Each input has its own volume control. Mics require a 9 V battery. The Pyle PDWM8400 is a wireless microphone system featuring a rack-mountable VHF base unit and includes eight wireless microphones. This system is perfect for large parties and performances singing events and professional engagements and is also a great way to have fun with friends and family.