Shure SLXD24D/SM58 Dual-Channel Digital Wireless Handheld Microphone System with SM58 Capsules (H55: 514 to 558 MHz)

Overview

The Shure SLXD24D/SM58-H55 is a dual-channel digital wireless handheld microphone system designed to deliver clear and reliable audio for live performances, presentations, and events. It features two handheld transmitters with SM58 capsules known for their dynamic design and cardioid pickup pattern, paired with a rackmount receiver that supports a 24-bit digital signal path, offering a 120 dB dynamic range and minimal latency of 3.2 ms. Operating in the H55 UHF band from 514 to 558 MHz, this system provides a wide tuning range and numerous selectable frequencies to ensure interference-free operation.

Key features

• 24-bit digital audio transmission that maintains high dynamic range and low latency for natural sound reproduction
• Two handheld transmitters equipped with SM58 capsules, delivering focused vocal pickup and durability trusted by professionals
• True diversity receiver design reduces signal dropouts and improves reliability in challenging RF environments
• Quick IR sync function allows fast and easy pairing between transmitters and receiver
• Wide 44 MHz tuning bandwidth with 1,760 selectable frequencies to avoid interference and optimize channel selection
• Ethernet connectivity enables coordinated frequency scans and remote control of up to 32 systems on a single network
• Long operating range of up to 328 feet line of sight, providing freedom of movement on large stages or venues
• Up to eight hours of battery life on two AA batteries, with optional rechargeable battery packs for sustainable power management

Key specs

• Frequency band: H55 (514 to 558 MHz)
• Tuning bandwidth: 44 MHz
• Selectable frequencies: 1,760
• Dynamic range: 120 dB
• Latency: 3.2 milliseconds
• Operating range: up to 328 feet (line of sight)
• Power source: two AA batteries per transmitter or optional SB903 rechargeable pack
• Receiver type: rackmount SLXD4D with true diversity antennas

Connectivity and compatibility

The SLXD24D/SM58-H55 system integrates seamlessly into professional audio setups with its rackmount receiver that supports Ethernet networking. This allows for coordinated frequency management and remote control across multiple systems, making it suitable for complex installations such as conference rooms, theaters, and live music venues. The system’s wide tuning range and numerous selectable frequencies help avoid interference from other wireless devices, ensuring stable performance in busy RF environments.

Performance and reliability

With a 24-bit digital signal path and true diversity receiver design, this microphone system delivers consistent, high-quality audio with minimal dropouts. The low latency ensures performers hear their voice naturally without delay, which is critical for live sound applications. The robust SM58 capsules provide a cardioid pattern that isolates vocals from background noise, making it a dependable choice for vocalists and presenters alike.

Ideal uses and environments

This wireless microphone system is well suited to a variety of professional settings, including corporate events, houses of worship, mid-sized music venues, and educational institutions. Its long operating range and reliable signal make it a strong choice for users who need freedom of movement on stage or in large rooms. The network-ready features also support rental companies and multi-mic setups that require quick configuration and centralized control.