You'll find the best prices on Instrument wireless in Musical Instrument Microphones when you shop online at bizrate. Do all your comparison shopping for Shure, Audio Technica and Sennheiser Musical Instrument Microphones in one place. Compare models and see which online Musical Instruments & Accessory stores have the best merchant ratings. Make an informed decision on Instrument wireless Musical Instrument Microphones before you buy. bizrate will help you with all of your holiday gift shopping needs. Buy Shure SM58 Cardioid Dynamic Microphone or Samson AirLine 77 UHF TD Wind Instrument Wireless Microphone System Channel N1.