Sell Debra Audio D-140 4 Channel Cordless Mic UHF Wireless Microphone System For speech Karaoke party best price

Debra Audio 4 Channel Wireless Microphone System System features: 4 Channel Receiver with 4 Microphones Metal individual volume control on each Channel One 1/4" Mixed and four 1/4" Individual Outputs（Unbalanced socket 6.3mm） Perfect operation status indicater Four Telescoping Receiver Antennas Broad frequency response range, super low distortion Use 2*1.5V battery Specifications: Overall System Number of Channels:4 channels Carrier frequency range:500MHz-590MHz Stability:±0.006% Normal deviation:±22kHz S/N ratio:<120dB T.H.D:<0.6% Frequency response:50Hz-15kHz Receiver: Sensitivity:>80dB Audio output:Unbalanced Antenna:Built-in Power requirement:110-240V,AC16V,400mA Dimensions:440×210×40mm Weight(weight):Approx.1.3kg Microphones: Handheld Mic Cartridge:Dynamic RF output:<10mW Normal deviation:±22kHz Maximum deviation:±80kHz Power need: 2 * 1.5V battery Battery life:>8 hours Lavalier or Headset Mic Cartridge:condenser Antenna:Built-in RF output:<10mW Normal deviation:±22kHz Maximum deviation:±80kHz Power need: 2 * 1.5V battery（AA） Battery life:>8 hours Comes With（"4 Handheld" option）: 4 x Handheld Microphones 1 x Transmitter 1 x Power Adapter 1 x 1/4'' Male to 1/4'' Male Phone Jack Lead 1 x Instructions Comes With（"2 Handheld & 2 Bodypack" option）: 2 x Handheld Microphones 2 x Lavalier Microphones 2 x Headset Microphones 2 x Bodypack 1 x Transmitter 1 x Power Adapter 1 x 1/4'' Male to 1/4'' Male Phone Jack Lead 1 x Instructions Comes With（"4 Bodypack" option）: 4 x Lavalier Microphones 4 x Headset Microphones 4 x Bodypack 1 x Transmitter 1 x Power Adapter 1 x 1/4'' Male to 1/4'' Male Phone Jack Lead