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Shure SLXD14/DL4B Digital Wireless DuraPlex Omni Lavalier Microphone System (H55: 514 to 558 MHz)

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Key Features
  • For Active Performers & Actors
  • DL4 Waterproof Omni Lavalier Mic (Black)
  • Lightweight Bodypack Transmitter
  • Digital Predictive Diversity Receiver
  • 1760 Auto-Scan Frequencies
  • 1/10mW RF Power
  • High-Contrast LCD Screens
  • Ethernet for Group Scans & Local Control
  • Compatible with 8-Hr Rechargeable SB903
  • Expandable to 32 Mic Channels/330′ Range

Shure SLXD14/DL4B Overview

The Shure SLXD14/DL4B offers actors, performers, instructors, clergy, and presenters a wireless lavalier microphone system that’s easy to set up and dependable, which delivers crystal-clear digital sound quality. Built around a rugged, single-channel, half-rack receiver with removable antennas, the system is ideally suited for portable rigs or long-term installations in small- to medium-sized venues, event spaces, conference rooms, houses of worship, and education facilities.

The SLX-D operates in the UHF band to transmit high-quality, 24-bit digital audio with over 120 dB of dynamic range for crisp, detailed sound. It utilizes Digital Predictive Switching Diversity to protect the transmission from interference and deliver a solid, reliable RF signal without dropouts.

This configuration comes with a black DL4 DuraPlex waterproof miniature omnidirectional lavalier microphone built to withstand the rigors of professional use. The discreet bodypack transmitter has a selectable 1/10mW RF power output and a transmission range up to 330′. It provides up to 8 hours of operation on two AA batteries or an SB903 rechargeable battery (available separately).

The all-metal, rackmount SLXD4 receiver features an intuitive LCD interface with meters for RF, battery status, and audio output. It also offers 60 dB of gain control, and both mic/line XLR and 1/4″ instrument outputs. Additional features include automatic frequency scanning and IR sync to easily link the transmitter and receiver to the same frequency.

With up to 32 mic channels available at the same time, the SLX-D is ready to expand as your needs grow. What’s more, setting up multiple systems is made fast and easy via the Ethernet port, which links the receivers together for quick, coordinated frequency scans from a single location.

DL4 DuraPlex Lav Mic & Lightweight Bodypack Transmitter for Active Performers

  • The DL4 DuraPlex lavalier mic features a 5mm miniature capsule for discrete placement.
  • The mic has an IP57 dust-resistant and waterproof rating, great for active performers and vocalists.
  • The mic also offers high gain before feedback, making it well suited for speech and vocals at events with loud sound reinforcement.
  • The omnidirectional polar pattern picks up sound evenly from all directions, allowing for flexible mic positioning.
  • Designed to stand up to adverse conditions, the mic is equipped with a long-lasting, fully paintable, 1.6mm Shure Plex cable.
  • The mic plugs into the locking TA4M connector on the compact SLXD1 bodypack transmitter.
  • The rugged, plastic transmitter has a belt clip that attaches to the talent’s clothing and an LCD that shows essential information.

Transparent Digital Sound, Dependable Performance, and More Mics

  • The SLX-D delivers 24-bit digital audio with a fast transient response and over 120 dB of dynamic range—resulting in clear, accurate sound.
  • The system operates in the H55: 514 to 558 MHz UHF band with a 44 MHz tuning range and 1760 selectable frequencies, far away from potential Wi-Fi interference in the 2.4 GHz band.
  • Digital Predictive Switching Diversity uses a microprocessor to switch between the two antennas for the cleanest signal—before dropouts occur.
  • With a low latency of 3.2 ms, the system is ideal for applications that require live sound reinforcement.
  • The SLX-D’s spectrum-efficient digital transmission technology allows for up to 32 mics to be used at once.
  • Up to 10 compatible systems per 6 MHz TV band and 12 systems per 8 MHz band are supported.
  • Ethernet networking saves you time with coordinated group scanning between multiple receivers from a single location; TCPI command streams from third-party companies such as AMX and Crestron are also supported.

Ready to Rackmount, Easy to Use

  • Housed in a tough, half-rack metal chassis with detachable antennas, the SLXD4 receiver is a great fit for A/V installations or as part of a portable rackmount rig—ready to travel to a meeting, event, or performance.
  • The SLX-D is engineered to provide outstanding sound for small- to medium-sized spaces and facilities—without costly, complicated features required primarily for large venues.
  • Intuitive front-panel controls and a high-contrast LCD screen with audio and RF meters makes set up a snap.
  • The auto-scan function automatically seeks out the cleanest available frequency for you. The receiver and transmitter then easily link to the same frequency via infrared.
  • The receiver offers up to 60 dB of adjustable gain and the display shows you where the ideal level should be.

Optional Rechargeable Battery Management

  • Adding the SB903 lithium-ion rechargeable battery, along with an SBC10-903 single charger or an SBC203 dual-docking charger, offers a cost-effective and environmentally friendly alternative to throwing away AA batteries (battery and chargers available separately).
  • Using the SB903 battery and SBC203 charger simplifies the task of keeping multiple transmitters charged and ready—you can even recharge the battery while still in the transmitter.
  • When powered by an SB903, the transmitter displays the remaining battery life in hours and minutes.

Enhance the Reliability of Your System

  • Adding UA874 active antennas or PA805SWB passive antennas increases the range of your system and offers increased protection against interference.
  • The UA844+SWB antenna distribution system (available separately) lets you stretch the power of your antenna pairs, giving you more on-air channels in less setup time.

A Variety of Mics and Transmitters Available

Shure offers numerous lavalier, headset, and handheld microphone options to adapt your SLX-D system as your needs evolve.

  • The WL185 (cardioid) and WL184 (supercardioid) lavalier mics offer narrower, feedback-resistant pickup patterns for louder events.
  • The discrete MX153 sub-miniature earset mic provides exceptional clarity in spoken word applications.
  • The SM35 is a comfortable, durable headset microphone for active performance.
  • The SLXD2 handheld transmitter is available with several mic capsules choices for presenters who prefer the flexibility of a handheld microphone.
SKU: SLXD14/DL4B-H55 Category: Tag:

Shure SLXD14/DL4B Specs

System
Wireless Transmission Digital UHF
Number of RF Channels 1760
Included Transmitters 1 x Bodypack with Microphone
Diversity True Digital Diversity
RF Frequency Band H55:
514 to 558 MHz
RF Bandwidth 44 MHz
Frequency Step Size 25 kHz
RF Channel Scanning Auto-Scan
Max Operating Range 328′ / 100 m
Max Systems per Setup 32
Sample Rate/Resolution 24-Bit
Latency 3.2 ms
Dynamic Range 120 dBA (Typical)
Encryption None
Receiver
Form Factor Tabletop / Rackmount
Mounting Options Rackmount, Tabletop (with Included Hardware)
Rackmount Size 1 RU (1/2 Rack)
Antenna 2 x 1/4 Wave External, BNC (Rear-Mount)
Number of Audio Channels 1
Audio I/O 1 x XLR 3-Pin Male Balanced Mic/Line Output
1 x 1/4″ TRS Female Balanced Output
Gain Range 0 to +21 dB (3 dB Steps)
Pad 30 dB
Audio Output Level -18 to +42 dB (Balanced, Unbalanced)
Phantom Power Protection On 1/4″, XLR Outputs
Frequency Response 20 Hz to 20 kHz +1/-2 dB (Dependent on Mic)
Network I/O 1 x RJ45 (10/100 Mb/s)
Network Protocols DHCP, Manual IP
Impedance 1/4″ Output:
1.3 Kilohms (Balanced)
670 Ohms (Unbalanced)
XLR Output:
400 Ohms (Balanced)
150 Ohms (Balanced)
Adjacent Channel Isolation >70 dB
Spurious Rejection: >75 dB
Power Requirements AC/DC Power Adapter
AC/DC Power Adapter 15 VDC at 600 mA, Center-Positive (Included)
AC Input Power 100 to 240 VAC, 50 / 60 Hz
Display & Indicators LCD (AF Level, Channel, Frequency, Group, RF Level, Transmitter Battery Status)
Housing Steel
Operating Temperature 0 to 122°F / -17 to 50°C
Storage Temperature -20 to 165°F / -28 to 73°C
Dimensions 7.8 x 1.7 x 6″ / 197 x 42 x 152 mm
Weight 1.8 lb / 816 g (without Antenna)
Transmitter 1
Transmitter
Form Factor Bodypack with Microphone
RF Output Power 1 / 10 mW
Audio I/O 1 x TA4/Mini XLR 4-Pin Male Unbalanced Input (Lockable)
Auto-Level Control No
Gain Range 0 +21 dB
Sync Method IR
Antenna 1/4 Wave External, Fixed
Power Requirements Battery
Battery Type 2 x AA (Included)
1 x Shure SB 903 (Not Included)
Battery Charging Time 1.25 to 5.5 Hours
Approx. Battery Life 8 Hours (Lithium Shure SB903)
8 Hours (Alkaline)
Display & Indicators LCD (Battery Status, Channel, Group)
Housing ABS, Plastic
Operating Temperature 0 to 122°F / -17 to 50°C
Storage Temperature -20 to 165°F / -28 to 73°C
Dimensions 2.7 x 3.9 x 1″ / 68 x 98 x 25.5 mm
Weight 3.1 oz / 89 g
Microphone
Form Factor Lavalier
Color Black
Sound Field Mono
Capsule MEMS
Polar Pattern Omnidirectional
Frequency Range 20 Hz to 20 kHz
SNR 63 dB
Equivalent Noise Level 31 dB A-Weighted
Maximum SPL 132 dB SPL
Sensitivity -42.5 dBV/Pa
Dynamic Range 101 dB
Output Connectors 1 x TA4/Mini XLR 4-Pin Female Unbalanced
Cable Length 66″ / 1.7 m
Operating Voltage 5 V
Operating Current Consumption 220 µA
Length 0.6″ / 14.5 mm
Diameter 0.2″ / 5.2 mm
Weight 0.5 oz / 15 g

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