The VHF-4000-2 from VocoPro is a quad-channel wireless microphone system that's simple to set up and use. The receiver provides an output for each microphone signal for maximum mixer control, as well as a mixed output for a quick setup. Add in four handheld microphones that are specifically tuned to get the best out of your vocal performance and you have a microphone system that is designed to handle any situation. With WS-5 Microphone Windscreen Set from VocoPro features 5 windscreens in assorted colors. Using on your microphones helps prevent unwanted wind noise, popping and plosive syllables. Plus 2-pieces of High-Energy 1.5V AA LR6 Batteries from Varta.