The Pyle PDWM4540 delivers clear, noise-free wireless transmission and excellent sound reproduction. Simple setup and installation allow you to transmit clear sound instantly. System features include (4) individual balanced XLR output jacks for additional connectivity. Enjoy quad channel voice distribution across the two included handheld microphones and two body-pack transmitters -- system also includes two headset and two lavalier mics. Whether used for work or play, for on-stage vocal performances or conference room speeches, this wireless microphone system will provide you with a quality audio experience. Enjoy hassle-free and reliable wireless sound transmission with today's latest system technology with this all-in-one package. DETAILSFeatures: UHF Band Receiver System Quad Frequency 4-Channel Design (Channel 1, 2, 3, 4) Broad Frequency Response Range & Low Distortion High Signal/Noise Ratio Performance RF Signal & AF Signal LED Indicators Radio Frequency and Audio Frequency Independent Channel Adjustable Volume Controls (4) XLR Output Connector Jacks Detachable Dual Antennas Rack Mountable System What's in the Box: Microphone Base Receiver (2) Belt-Pack Transmitters (2) Handheld Microphones (2) Headset Microphones (2) Lavalier Microphones (8) 'AA' Batteries Rack Mount Hardware Wall Power Adapter Handheld Microphone Specs: RF Power Output: >10dBm Modulation Type: FM Nominal Power Current: 55dBc Battery Powered, Require (2) x 'AA' Batteries -Each Beltpack Transmitter Specs: Modulation Type: FM RF Power Output: >10dBm Nominal Power Current: 53dBc Battery Powered, Require (2) x 'AA' Batteries -Each System Receiver Specs: Image & Spurious Rejection: >70dB Receiving Sensitivity: -105dBm Signal/Noise Ratio: >105dB Border Upon Channel Rejection: >70dB T.H.D.: