Shure BLX4 Wireless Receiver H9 Band (512–542 MHz) – Single-Channel, QuickScan, 300 ft Range

Overview

The Shure BLX4 Wireless Receiver delivers dependable UHF wireless audio performance designed to work seamlessly with BLX transmitters. This compact, single-channel tabletop receiver is compatible with BLX2 handheld transmitters and BLX1 bodypack transmitters, enabling a flexible wireless setup for handheld mics, lavalier mics, headsets, or instrument systems. Operating in the H9 band (512–542 MHz), it’s designed to suit venues that authorize this spectrum, with a build that prioritizes steady signal quality for live events, conferences, and performances.

Built for real-world environments, the BLX4 emphasizes reliability without complicating your workflow. Its rugged yet compact design fits easily on a podium, in a control rack, or on a small table, helping you keep gear organized during quick changes or demanding schedules.

Setup, reliability, and connection

Setup is streamlined thanks to QuickScan frequency selection, which automatically identifies a clean RF channel to help minimize interference during tuning. Internal antenna diversity helps maintain stable reception as performers move across stage areas, reducing dropouts and the need for manual adjustments. On the back, the receiver provides balanced XLR and 1/4 inch outputs, making it straightforward to connect to mixers, PA systems, or other audio gear without extra adapters.

Under typical conditions, the BLX4 supports wireless operation up to 300 ft (91 m) in line of sight and can accommodate up to 12 compatible systems per frequency band, giving you room to scale for mid-size venues or multi-channel setups in larger spaces.

What you get and how it helps

• BLX4 single-channel receiver with power supply for plug-and-play operation
• Compatibility with BLX1 bodypack and BLX2 handheld transmitters for flexible setups
• QuickScan automatic channel selection to reduce setup time and interference
• Antenna diversity to improve stability during live use
• Balanced XLR and 1/4 inch outputs for easy integration with standard audio gear

Real-world use and environments

• Live music performances where fast, reliable channel setup matters
• Conferences and speaking events with multiple wireless mics or instruments
• Houses of worship and educational spaces with adaptable stage layouts
• Corporate events and seminars that require clean, dependable wireless audio
• Venues seeking a compact, scalable wireless receiver that works with existing BLX gear

In practice, the BLX4 offers a practical blend of performance and simplicity. Its focus on ease of use, stable reception, and flexible connectivity supports a range of gear configurations, helping performers and presenters stay connected to their sound without overcomplicating the setup.