SHURE PA421B-E

SHURE PA421B-E Antenna Combiner

The SHURE PA421B-E is a premium antenna combiner designed for professional use with Shure wireless microphone systems. It combines up to four Shure PSM transmitters (PSM400, PSM900, PSM1000) into a single antenna, reducing interference and optimising wireless performance for large venues and live events.

Key Features

• Combines up to four Shure PSM transmitters (PSM400, PSM900, PSM1000) into one antenna
• Wideband operation for broad frequency compatibility
• Robust RF filtering for high signal quality
• Active circuitry provides gain to compensate for signal loss
• Standard rack-mountable design for easy installation
• Front-panel indicators for real-time monitoring of TX inputs and antenna output
• Reduces signal clutter and number of antennas needed for multi-channel setups
• Supports both AC and DC operation with included power supply options
• Rugged construction trusted by sound engineers worldwide

Applications

Ideal for touring professionals, theatres, large venues, and fixed installations requiring reliable, clean wireless audio signal transmission.