Shure SLXD24/B58 Digital Wireless Handheld Microphone System
Featuring the Beta®58A Supercardioid Dynamic Microphone capsule on top of the SLXD2 handheld wireless transmitter, the SLXD24/B58 provides transparent digital audio and rock-solid RF stability for lecture halls and live performances.
The SLXD24/B58 Wireless System delivers transparent, 24-bit digital audio and rock-solid RF performance for a wide range of applications, from day-long presentations to nighttime performances. Operate up to 32 compatible systems per 44 MHz band, with easy setup and optional rechargeability accessories for wireless excellence, wherever required. Ships with SLXD4 single-channel receiver and SLXD2/B58 handheld transmitters with antenna and rackmount accessories and 2 AA batteries.
Product Features
Transparent 24-bit digital audio
Extended 20 Hz to 20 kHz frequency range (microphone dependent)
118 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 8 MHz band
Easy pairing of transmitters and receivers over IR scan and sync
Automatic channel scan
Link multiple receivers for group scan and firmware updates via Ethernet port
Compatible with Shure Wireless Workbench® control software
Remote monitoring and control via ShurePlus™ Channels app
Third-party setup and control via Ethernet
Elegant and easy-to-use interface with high-contrast LCD menu
Guided setup mode installed in each SLX-D receiver
Transmitters use 2 AA batteries or Shure SB903 rechargeable battery
System Specifications
RF
RF Carrier Frequency Range: K59 (606 – 650MHz)
Working Range: 100 m (328 ft)
RF Tuning Step Size:
JB Band: 125 kHz
All Other Bands: 25 kHz
Varies by region.
Image Rejection: >70 dB typical
RF Sensitivity: −97 dBm at 10-5 BER
Audio
Latency: 3.2 ms
High-Pass/Low Cut Filter: 150 Hz, –12 dB/octave Note: factory default is for the HPF to be off
Audio Frequency Response: 20 Hz–20 kHz (+1, −2 dB)
Audio Dynamic Range, A-weighted, 20 Hz–20 kHz, typical: 118 dB @1% THD
Total Harmonic Distortion: <0.02%
System Audio Polarity:
XLR: Positive pressure on microphone diaphragm produces positive voltage on pin 2 with respect to pin 3 of XLR output.
TRS: Postive pressure on microphone diaphragm produces positive voltage on the tip of the 6.35 mm (1/4-inch) with respect to the ring of the 6.35 mm output.
Mic Offset Range: 0 to 21 dB (in 3 dB steps)
Temperature Range
Operating Temperature Range: 0 °F to 122 °F (−18 °C to 50 °C)
Storage Temperature Range: −20 °F to 165 °F (−29 °C to 74 °C)
SLXD4 Receiver Specifications
Dimensions (H × W × D): 1.65 × 7.76 × 5.98 in (42 × 197 × 152 mm)
Weight: 1.8 lb (816 g) without antennas
Housing: Galvanized Steel
Power Requirements: 15 VDC @ 600 mA Supplied by external power supply (tip positive)
RF Input
Spurious Rejection: >75 dB Typical
Connector Type: BNC
Impedance: 50 Ω
Audio Output
Gain Adjustment Range –18 to +42 dB in 1 dB steps
Configuration
1/4″ (6.35 mm): Balanced (Tip=audio +, Ring=audio –, Sleeve=ground)
XLR: Balanced (1=ground, 2=audio +, 3=audio –)
Impedance:
1/4″ (6.35 mm): 1.3 kΩ (670 Ω Unbalanced)
XLR (line): 400 Ω (200 Ω Unbalanced)
XLR (mic): 150 Ω
Full Scale Output:
1/4″ (6.35 mm): +15 dBV differentially (+9 dBV single)
XLR (LINE setting): +15 dBV
XLR (MIC setting): –15 dBV
Mic/Line Switch: 30 dB pad
Phantom Power Protection:
1/4″ (6.35 mm): Yes
XLR: Yes
Networking
Network Interface: Single Port Ethernet 10/100 Mbps
Network Addressing Capability: DHCP or Manual IP address
Maximum Cable Length: 100 m (328 ft)
SLXD2 Handheld Specifications
Battery Type: Rechargeable Li-Ion or 1.5 V AA batteries
Dimensions: 1.46 × 6.93 in (37.1 × 176 mm)
Weight: 5.2 oz. (147 g)
Housing: Aluminium
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
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