Wireless system combine professional-quality sound with simple setup and an intuitive interface for legendary audio performance. Includes BLX4 wireless receiver, BLX1 bodypack transmitter, CVL lavalier microphone, power supply, lavalier clip, windscreens, and user guide. The durable BLX1 features a lightweight, ergonomic design and adjustable gain control. Up to 14 hours of continuous use with 2 AA batteries. 100 m transmission radius. Quick and easy receiver frequency matching. Easily accessible On / Off switch. Single channel wireless receiver with microprocessor-controlled internal antenna diversity. The durable BLX4 features simple setup, intuitive controls, and microprocessor-controlled internal antenna diversity. One-touch QuickScan frequency selection quickly locates the best open frequency in case of interference. XLR and 6,3 mm jack output connectors. Two-color audio status indicator LED. Clip-on lavalier condenser microphone in a discreet, miniature form factor ideal for professional presentations. For professional presentations requiring a microphone that is heard but not seen, the Centraverse CVL Lavalier Condenser Microphone offers a compact clip-on design and simple, no-nonsense setup. The unidirectional cardioid polar pattern rejects unwanted sound for superior audio quality and vocal reproduction. Frequency: 518 - 542 MHz. Colour: Black