Shure BLX Wireless Systems combine professional-quality sound with simple setup and an intuitive interface for legendary audio performance right out of the box. Precision-built and available in a variety of configurations, it’s the most accessible way to own the stage.System includes:Dual CVL Centraverse condenser lavalier microphone for use with Shure bodypack Wireless Systems.BLX1 transmitters with up to 14 hours of continuous use with 2 AA batteries. 300 ft (100 m) transmission radius.BLX88 Dual channel receiver with microprocessor-controlled internal antenna diversity.FeaturesBLX1Frequency Range: 614MHz-638MHzQuick and easy receiver frequency matchingTQG connection for use with Shure lavalier, headset, earset and instrument microphones and guitar cablesEasily accessible On / Off switchThe durable BLX88 offers 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.BLX4XLR and ¼ inch output connectorsMicroprocessor-controlled internal antenna diversityTwo-color audio status indicator LED - Green: Normal audio levels, Red: Excessive audio levels (overload / clipping)CVL Centraverse Condensor Lavalier MicrophoneMiniature clip-on lavalier microphone for low visibilityPermanently charged electret condenser element for clear vocal reproductionUnidirectional (cardioid) polar pattern rejects unwanted noise for improved sound qualityIncluded tie clip allows for hands-free use, perfect for presentersIncluded windscreen reduces plosives, wind and breath soundsTailored frequency response optimized for speaking and presentationsTA4F (TQG) connector seamlessly integrates with Shure wireless bodypack systemsLegendary Shure precision engineering for durability and performance