Shure ULXD24D/SM87 Dual Handheld Wireless System, Includes 2 ULXD2 Transmitter, 2 SM87A Mics, ULXD4D Dual Wireless Receiver, L50 Band 632-696 MHz

Shure ULXD24D/SM87: Picture 1 thumbnail Shure ULXD24D/SM87: Picture 2 thumbnail

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About Shure ULXD24D/SM87

The Shure ULXD24D/SM87 Dual Handheld Wireless System with SM87A Microphones (L50 Band 632-696 MHz) offers uncompromising audio clarity and extremely efficient RF performance with rugged, intelligent, encryption-enabled hardware. Advanced recharge ability options eliminate the need for disposable batteries while extending usage times and life cycle. Generations ahead of any other available system in its class, ULX-D Digital brings a new level of performance to professional sound reinforcement.

Shure ULXD24D/SM87 Features

  • 24-Bit / 48 kHz digital audio delivers incredibly clear and accurate reproduction of the source material
  • Wide frequency range with flat response for superb low range and transient response
  • Greater than 120 dB dynamic range provides excellent signal-to-noise performance
  • Encryption-enabled for any application for which secure transmission is needed
  • Enabled via front panel menu on the receiver and sent over IR sync
  • A new, unique, randomized encryption key is generated every time encryption is enabled
  • Extremely Efficient and Reliable RF Performance
  • Up to 64 MHz overall tuning range (region dependent)
  • Up to 14 active transmitters in one 6 MHz TV channel (17 on an 8 MHz TV channel)
  • Over 60 compatible channels on one frequency band
  • Rock-solid signal stability with no audio artifacts extends over the entire 100 meter line-of-sight range using standard supplied dipole antennas
  • Optimized scanning automatically finds and deploys the cleanest frequencies available
  • Proprietary Shure Gain Ranging optimizes the system's dynamic range for any input source, eliminating the need for transmitter gain adjustments
  • Up to 60 dB of adjustable system gain is easily accessible from the receiver front panel
  • Upgraded LCD screens with adjustable contrast and brightness on both transmitters and receivers
  • Rugged metal housing on both transmitters and receiver
  • Interference detection and alerts provide instant confirmation when interference is present
  • Ethernet networking for streamlined setup across multiple receivers, Wireless Workbench 6 integration and AMX/Crestron control
  • Adapted from industry-leading Axient intelligent power management technology
  • Lithium-Ion chemistry and intelligent Shure battery circuitry results in rechargeable batteries with zero memory effect. The battery can be recharged at any time; a complete discharge is never necessary
  • Provides ULX-D transmitters with unmatched 12+ hours of performance time
  • Transmitters and receivers display remaining battery life in hours and minutes accurate to within 15 minutes
  • SBC200 Dual Docking Charger recharges batteries while inside or outside transmitters
  • Up to four SBC200s can be linked together to provide docked charging of eight transmitters from one power supply

Shure ULXD24D/SM87 Specifications

RF Carrier Range
L50 Band 632-696 MHz
Working Range
100 m (330 ft)
RF Tuning Step Size
25 kHz
Image Rejection
>70 dB, typical
RF Sensitivity
-98 dBm at 10-5 BER
<2.9 ms
Audio Frequency Response
ULXD1: 20 - 20 kHz (±1 dB)
Audio Dynamic Range
>120 dB, A-weighted, typical
Total Harmonic Distortion
System Audio Polarity
Positive pressure on microphone diaphragm produces positive voltage on pin 2 (with respect to pin 3 of XLR output) and the tip of the 6.35 mm (1/4-inch) output
ULXD4: Housing
ULXD4: Power Requirements
15 V DC at 0.6 A, supplied by external power supply (tip positive)
ULXD4: Spurious Rejection
>80 dB, typical
ULXD4: Connector Type
ULXD4: RF I/P: Impedance
50 Ohms
ULXD4: Bias Voltage
12 - 13 V DC, 170 mA maximum, per antenna
ULXD4: Gain Adjustment Range
-18 to +42 dB in 1 dB steps (plus Mute setting)
ULXD4: Configuration
1/4" (6.35 mm): Impedance balanced (Tip=audio, Ring=no audio, Sleeve=ground)
XLR: balanced (1=ground, 2=audio +, 3=audio −)
ULXD4: Audio I/P: Impedance
1/4" (6.35 mm): 100 Ohms (50 Ohms Unbalanced)
XLR: 100 Ohms
ULXD4: Full Scale Output
1/4" (6.35 mm): +12 dBV
XLR: LINE setting= +18 dBV, MIC setting= -12 dBV
ULXD4: Mic/Line Switch
30 dB pad
ULXD4: Phantom Power Protection
1/4" (6.35 mm): Yes
XLR: Yes
ULXD4: Power Over Ethernet
No, protected
ULXD4: Network Interface
Single Port Ethernet 10/100 Mbps
ULXD4: Network Addressing Capability
DHCP or Manual IP address
ULXD4: Maximum Cable Length
100 m (328 ft)
ULXD2: Gain Offset Range
0 to 21 dB (in 3 dB steps)
ULXD2: Battery Type
Shure SB900 Rechargeable Li-Ion or LR6 AA batteries 1.5 V
ULXD2: Battery Runtime at 10 mW
Shure SB900: >12 hours
alkaline: 11 hours
ULXD2: Housing
Machined aluminum
ULXD2: Configuration
ULXD2: Maximum Input Level
145 dB SPL (SM58), typical
ULXD2: Antenna Type
Integrated Single Band Helical
ULXD2: Occupied Bandwidth
<200 kHz
ULXD2: Modulation Type
Shure proprietary digital
ULXD2: Power
1 mW, 10 mW, 20 mW
Operating Temperature Range
-18deg.C (0deg.F) to 50deg.C (122deg.F)
Storage Temperature Range
-29deg.C (-20deg.F) to 74deg.C (165deg.F)
ULXD2: 256x51mm (10.1x2")
ULXD1: 86x66x23mm /3.38x2.59x0.90"
ULXD4: 197x171x42mm / 7.8x6.7x1.65"
Without batteries:
ULXD2: 340 g (12 oz.)
ULXD1: 142 g (5.0 oz.)
ULXD4: 913 g / 32.20 lbs without antennas
Mfr #
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