Shure SLXD24D/SM58 Dual-Channel Digital Wireless Handheld Microphone System with SM58 Capsules (L57: 650 - 694MHz)

Featuring two legendary SM58® Cardioid Dynamic Microphone capsules on SLXD2 handheld wireless transmitters, the Shure SLXD24D/SM58 Dual Wireless System provides transparent 24-bit digital audio and rock-solid RF stability, ideal for lecture halls, corporate presentations, houses of worship, and live performance environments.

The SLXD24D/SM58 system delivers professional-grade, low-latency digital transmission across the 650 - 694 MHz UHF band, supporting up to 32 compatible systems per 44 MHz bandwidth. Its True Diversity reception ensures stable signal integrity, while intuitive setup and control options — including network integration and compatibility with the ShurePlus Channels mobile app — make management effortless in both fixed and portable setups.

With its rugged dual-channel SLXD4D receiver, two SLXD2/SM58 handheld transmitters, and included antennas, rackmount accessories, and AA batteries, the system combines reliability, pristine audio performance, and scalable operation for professional wireless excellence wherever required.

Shure SLXD24D Dual Wireless System

General Specifications

• Wireless Technology: Digital UHF
• Diversity: True Diversity
• RF Frequency Band: L57: 650 to 694MHz
• Number of RF Channel Frequencies: 1760
• Max Operating Range: 328' / 100 m
• Max Transmitters per Band: 32
• Dynamic Range: 120 dBA (Typical)
• Latency: 3.2 ms
• Encryption: No
• Built-In Recorder: No
• Timecode Support: No
• Mobile App Compatible: Yes (Android & iOS)
• App Name: ShurePlus Channels
• Functionality: Remote Control

Receiver

• Type: Tabletop / Rack-Mountable
• Mounting Options: Rackmount (with Included Hardware, 1U)
• Antenna: 2x Removable BNC 1/4 Wave External (Rear-Mount)
• Number of Audio Channels: 2
• Audio Outputs:
  • 2x XLR 3-Pin Balanced Mic/Line Output
  • 2x 1/4" TRS Balanced Output
• Network I/O: 1x RJ45 (Manual IP, DHCP)
• USB/Lightning Connectivity: No
• Gain Range: 0 to +21 dB (3 dB Steps)
• Frequency Response: 20 Hz to 20 kHz (+1/-2 dB, Dependent on Mic)
• Display: Backlit LCD
• Power Requirements: AC/DC Power Adapter

Transmitters

• Included Transmitters: 2x Handheld
• RF Output Power: 10 mW / 1 mW (Selectable)
• Antenna: Internal Single-Band Helical
• Input Level: Microphone
• Audio I/O: None
• USB I/O: None
• Muting: No
• Gain Range: 0 to +21 dB
• Auto-Level/Gain: No
• Frequency Response: 20 Hz to 20 kHz (Dependent on Mic)
• Sync Method: IR
• Display: OLED

Microphones

• Type: 1x Handheld with Interchangeable Capsule (SM58 Included)
• Polar Pattern: Cardioid
• Frequency Response: 50 Hz to 15 kHz
• Maximum SPL: 146 dB
• Sensitivity: -54.5 dBV/Pa
• Color: Black

Power

• Transmitter Battery Type: 2x AA (Included) or 1x Shure SB903 (Optional)
• Transmitter Battery Life: 8 Hours (Lithium Shure SB903) / 8 Hours (Alkaline)
• Battery Charging Time: 1.25 to 5.5 Hours
• AC/DC Power Adapter: 15 VDC at 600 mA, Center-Positive (Included)
• Input Power: 100 to 240 VAC, 50 / 60 Hz

Physical

• Environmental Resistance: No
• Housing: Aluminum (Transmitter), Metal (Receiver)
• Dimensions:
  • Receiver: 7.8 x 1.7 x 6" / 197 x 42 x 152 mm
  • Transmitter: 1.5 x 6.9" / 37.1 x 176 mm
  • Mic Capsule: 2.0" / 50 mm
• Weight:
  • Receiver: 3.1 lb / 1.4 kg (without Antenna)
  • Transmitter: 5.2 oz / 147 g