PYLE Amplifier Part (PDWM4350U) COMPLETE SYSTEM INCLUDED: The wireless microphone system features (4) individual balanced XLR outputs and (1) unbalanced jack. Also includes (2) handheld mics, (2) belt pack transmitters, (2) lavalier mics & (2) headset mics PREMIER SYSTEM UPGRADES: The Pyle wireless handheld microphone system delivers clear, noise-free, wireless transmission and excellent sound reproduction VERSATILE USE: Whether used for work or play, for on-stage vocal performances, or conference room speeches, this wireless four microphone system will give you an amazing high-quality audio experience. UHF BAND RECEIVER SYSTEM: The wireless microphone kit features extended wireless range performance. The broad frequency response range and low distortion make for a high signal/noise ratio FOUR CHANNEL DESIGN: The microphone system wireless features a four channel microphone receiver, as well as quad frequency 4-channel configuration - Wireless Operating Frequency Range: 573.0 - 597.8 MHz