Check the listing for details. BVB VM-100MKII Professional Quad 4 x UHF Wireless Microphone System. Color: Black, Condition: New. Listed at 299.00 USD. BVB VM-100MKII With 4 handheld wireless microphones system, each on their own independent UHF channel, the VM-100MKII gives you maximized vocal options without the fear of frequency interference. Going wireless means that you are free from cables for more active performances that the crowd will never forget. Plus, KJs will love that each mic channel has its own field-replaceable module that easily slides out, without the need for tools and without affecting the functionality of the other channels. Vocalists, home entertainment enthusiasts, and club-goers will all benefit from the reliability and versatility of the BVB VM-100MKII.Features:Four channel diversity wireless receiverIncludes Four UHF Wireless Microphones200 adjustable frequencies with DPLL synthesized controlUHF band frequency (800MHz)Four independent XLR balanced outputsRF input with built-in RF preamplifier to improve S/N ratio, sensitivity and d ynamic rangeLow noise mixer circuitry for reducing interferenceRemovable antennasLCD screens provide informative status on each microphone's status including: Signal Strength, Audio Level, Operation Frequency and Diversity Antenna SelectionService Area: 500 ft ( 150 M )Specifications:SYSTEMFrequency ranges740-790MHzModulation ModeBroadband FMAvailable Band Width50MHzChannel number200Channel spacing250KHzFrequency stability±0.005%Dynamic range100dBPeak deviation±45KHzAudio response80Hz-18KHz(±3dB)Comprehensive SNR>105 dBComprehensive Distortion≤0.5%Operating Temperature-10¡æ —+ 40¡æ RECEIVERReceive modeDouble Conversion Super HeterodyneIntermediate frequencyThe first medium frequency:100MHzThe second medium frequency:10.7MHzWireless interfaceBNC /500ΩSensitivity12dBµV (80 dBS/N )Spurious rejection≥75 dBSensitivity adjustment range12-32dBVMaximum output level+ 10 dBV TRANSMITTEROutput powerHigh:30mW; Low:3mWSpurious rejection-60dBVoltageTwo AA batteriesCurrent utility timeHigh: >10 hoursLow: >15 hours***Guarantee In Stock, Will Ship The Same Day*** ---> With 1 Full Year Warranty Include: Labor & Parts Plus Free Shipping BackFREE: UPS Ground Shipping Within 48 States