BLX24R/SM58-H9 Vocal System with (1) BLX4R Rack Mount Wireless Receiver and (1) BLX2 Handheld Transmitter with SM58 Microphone

The Shure BLX24R/SM58-H9 is a professional‑grade rackmount wireless microphone system designed for vocal performances, speech, presentations, and live events. It combines a durable, rack‑mountable receiver with a handheld transmitter featuring the industry‑standard SM58 dynamic microphone capsule. The system operates on the H9 frequency band (512–542 MHz) and provides reliable UHF wireless audio with quick frequency scanning, adjustable output, and robust construction. The handheld transmitter runs on two AA batteries for long battery life while the receiver delivers balanced XLR and unbalanced 1/4″ outputs for easy connection to PA systems and mixers.

Features

System & Performance

• Analog UHF wireless technology

• Operates in H9 band (512 – 542 MHz)

• One‑touch QuickScan with 123 available frequencies

• Antenna diversity for stable RF reception

• Supports up to 12 simultaneous systems per frequency band

• Maximum operating range up to 300 ft (line of sight)

• Dynamic range ~100 dB

• Adjustable output level

Receiver (BLX4R)

• Rack‑mountable design with included hardware

• Backlit LCD display showing group, channel, and metering

• Balanced XLR and unbalanced 1/4″ audio outputs

• Two removable external antennas

• Rugged metal construction

• AC/DC power adapter included