Shure SLXD24+/58 Digital Wireless Handheld System with SM58 Cardioid Dynamic Microphone K55

Legendary SM58 vocal sound

The integrated SM58 cardioid dynamic capsule provides the iconic Shure vocal sound trusted by professionals worldwide. Its tailored frequency response enhances vocal clarity while minimising background noise and feedback. The cardioid pickup pattern focuses on the performer’s voice, making it ideal for high-volume stages and consistent live performance night after night.

Advanced digital wireless performance

SLXD+ delivers transparent 24 bit digital audio with a wide dynamic range and ultra low latency for a natural and responsive performance feel. The expanded tuning range supports reliable multi-system operation, allowing efficient frequency coordination even in congested RF environments commonly found in professional venues.

Remote control with ShowLink

ShowLink technology enables secure two-way communication between receiver and transmitter. Engineers can remotely adjust gain change frequencies lock controls, update firmware and monitor battery status without handling the microphone. This provides greater control efficiency and uninterrupted performances during live events.

Built for professional environments

Rugged metal construction ensures the handheld transmitter withstands touring and frequent stage use. AES-256 encryption protects audio for corporate and broadcast applications. With up to eight hours of operation using AA batteries or optional rechargeable power solutions, the system delivers dependable performance for long events.

Features

• Includes SLXD+ digital receiver and SM58 handheld transmitter
• Transparent 24 bit digital audio with natural sound quality
• Wide tuning range supports reliable multi system setups
• ShowLink enables remote transmitter control and monitoring
• AES 256 encryption ensures secure wireless operation
• Cardioid SM58 capsule reduces feedback and ambient noise
• Rugged metal handheld transmitter for professional use
• Up to eight hours operation with AA or rechargeable batteries

Specifications

System

• Wireless Technology: Digital UHF
• Audio Resolution: 24-bit
• Latency: 2.8 ms
• Dynamic Range: 118 dB A-weighted
• Encryption: AES 256
• Maximum Operating Range: 100 m line of sight

Frequency Band

• Band: K55
• Frequency Range: 606 MHz – 694 MHz
• RF Tuning Step Size: 25 kHz
• RF Output Power: 1 mW 10 mW 30 mW region dependent
• Compatible Systems: Up to 11 per 6 MHz TV band 14 per 8 MHz

Receiver

• Model: SLXD4+
• Receiver Type: Single-channel half-rack
• RF Sensitivity: −97 dBm at 10⁻⁵ BER
• Image Rejection: >85 dB typical
• Audio Outputs: XLR balanced 6.35 mm jack balanced
• Output Impedance: XLR 150 Ω mic 500 Ω line
• Gain Adjustment Range: −18 dB to +42 dB in 1 dB steps
• Network Interface: Ethernet 10 100 Mbps
• Power Requirements: 15 V DC 360 mA external supply
• Housing: Galvanised steel
• Dimensions (W x D x H): 197 mm x 152 mm x 42 mm
• Weight: 0.9 kg

Handheld Transmitter

• Model: SLXD2+
• Capsule: SM58 Dynamic
• Polar Pattern: Cardioid
• Microphone Frequency Response: 50 Hz – 15 kHz
• RF Output Power: 1 mW 10 mW 30 mW region dependent
• Battery Type: 2 x AA alkaline or SB903 rechargeable
• Battery Life: Up to 8 hours
• Housing: Aluminium zinc alloy PC ABS
• Dimensions (Dia. x L): 41 mm x 176 mm
• Weight: 0.2 kg

Operating Conditions

• Operating Temperature Range: −18 °C to 50 °C
• Storage Temperature Range: −29 °C to 74 °C