Shure BLX14R/W93 (Band H9)

BLX1 :

• Up to 14 hours of continuous use with 2 AA batteries. 300 ft (100 m) transmission radius.
• Quick and easy receiver frequency matching
• TQG connection for use with Shure lavalier, headset, earset and instrument microphones and guitar cables
• Easily accessible On / Off switch

WL93 :

• Wireless micro-miniature lavalier mic provides full, clear sound
• Subminiature lavalier design; ideal size for theater, television, broadcasting, video, film, and sound reinforcement
• Small, inconspicuous mounting hardware
• Full, clear sound comparable to larger microphones
• Smooth extended frequency response with presence rise specially tailored for chest-worn microphone operation
• Controlled low-frequency rolloff reduces low-frequency clothing and room noise
• Low distortion, wide dynamic range
• Uniform omnidirectional polar pattern
• Preamplifier assembly (SM93) can be pocketed, strapped to the body, or clipped to belt or waistband
• Wide-range phantom powering (SM93) accepts all commonly used voltages

BLX4R :

• Rack-mountable receiver with removable antennas for quick distribution.
• XLR and ¼" output connectors
• Microprocessor-controlled internal antenna diversity
• Two-color audio status indicator LED
• Green:  Normal audio levels
• Red:  Excessive audio levels (overload / clipping)
• Adjustable output level 
• LCD display with detailed RF and audio metering