Line 6 XD-V75HS Digital Wireless System with Bodypack Transmitter and Black Headset Exclusive Line 6 EQ filter modeling technology optimizes the system to your voice or instrument - choose from nine distinct EQ filter model types (6 optimized for vocals, 3 for instruments). 14 always-available channels Premium cardioid condenser microphone - for professional hands-free performance Signal encryption for maximum signal privacy and integrity System includes premium headset, bodypack transmitter with protective storage case, 1/2U receiver, 2 x 1/2 wave antennas, front-mount antenna kit, rackmount kit, two AA alkaline batteries