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Shure SLX-D2/B58 Digital Wireless Handheld Transmitter with BETA58 Capsule

The Shure SLX-D2/B58 handheld transmitter with a BETA58 capsule.  Classic Beta performance in a digital wireless package.

SLX-D Digital Wireless delivers transparent, 24-bit digital audio and rock solid RF performance with easy setup and  rechargeability options in a suite of versatile wireless system configurations. Featuring industry leading digital wireless technology and design, the SLXD2/B58 easily syncs with a wireless receiver. A variety of interchangeable vocal microphone choices guarantees the right solution for a wide range of applications, from day-long conference to nighttime performances.

SLX-D2/B58 Features

  • Transparent 24-bit digital audio
  • Extended 20 Hz to 20 kHz frequency range (microphone dependent)
  • 120 dB dynamic range
  • Digital predictive switching diversity
  • 44 MHz tuning bandwidth (region dependent)
  • 32 available channels per frequency band (region dependent)
  • Up to 10 compatible systems per 6MHz TV band; 12 systems per 8MHz bandv
  • Easy pairing of transmitters and receivers over scan and IR sync
  • Up to 8 hours from 2 AA batteries or optional Shure SB903 rechargeable battery
  • Interchangeable microphone capsules
  • Rugged metal construction

SLX-D2/B58 Specifications

Battery Type Rechargeable Li-Ion or 1.5 V AA batteries
Dimensions (Dia. × L)  1.46 × 6.93 in  -  (37.1 × 176 mm)
Weight 5.2 oz. (147 g)
Housing Aluminum

Audio Input

Configuration Unbalanced
Maximum Input Level 8.2 dBV (2.57 Vrms, 7.27 Vpp)
Note: Dependent on Microphone Type

RF Output

Antenna Type Integrated Single-Band Helical
Occupied Bandwidth <200 kHz
Modulation Type Shure Proprietary Digital
Power 1 mW/10 mW - Varies by region. See Frequency Range and
Output Power Table.


BETA 58A ® - Supercardioid Vocal Microphone