Shure BLX4 Tabletop Wireless Receiver (J11: 596 to 616 MHz)

The Shure BLX4=-J11 is a single-channel tabletop wireless receiver designed for users who want dependable audio with very little setup time. It works with BLX1 bodypack and BLX2 handheld transmitters that operate in the J11 band, giving bands, houses of worship, conference teams, and mobile DJs a straightforward path to clear wireless sound.

Shure’s QuickScan feature analyzes the surrounding radio environment and selects the cleanest option from 123 available frequencies, so you spend less time scrolling through menus and more time focusing on the performance. A microprocessor inside the receiver manages antenna diversity, continuously comparing the signal from its two internal antennas and switching to the stronger one to prevent dropouts.

The front panel provides instant feedback. Separate LEDs show audio level, RF strength, and ready status at a glance, making it easy for an engineer or performer to confirm that the system is locked in and distortion-free. Around back, balanced XLR and unbalanced 1/4 in outputs let you connect directly to a mixer, powered speaker, or recording interface without extra adapters.

With a line-of-sight operating range of up to 300 ft and support for as many as twelve compatible systems in the same frequency band, the BLX4=-J11 scales from a single microphone setup to a full stage rig. The receiver’s compact size and internal antennas keep cable runs tidy and leave more room on cramped tech tables.

Whether you are a singer who moves between clubs, an instructor who needs a reliable mic for fitness classes, or an event coordinator who sets up corporate presentations in different venues every week, the Shure BLX4=-J11 offers a practical balance of sound quality, range, and portability.

• Single-channel tabletop wireless receiver
• QuickScan technology chooses the clearest frequency automatically
• Microprocessor-controlled antenna diversity helps prevent dropouts
• 123 selectable frequencies in the J11 band for interference avoidance
• Balanced XLR and unbalanced 1/4 in outputs for flexible connections
• LED indicators show audio level and RF status at a glance
• Pairs with Shure BLX1 bodypacks and BLX2 handheld transmitters
• Up to 300 ft operating range in ideal conditions
• Run up to twelve compatible systems simultaneously in one band