The Shure SLXD24/B87A offers presenters and performers a wireless handheld microphone system that's dependable, easy to set up, and features 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 includes the SLXD2 handheld transmitter featuring an interchangeable microphone capsule design and equipped with a Beta 87A condenser capsule. The supercardioid pickup pattern focuses on the voice, helping to reduce feedback on loud stages. The lightweight metal 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 them together for quick, coordinated frequency scans from a single receiver.

For Presenters and Performers    Beta 87A Supercardioid Condenser Capsule    Handheld Transmitter    Digital Predictive-Diversity Receiver    1760 Auto-Scan Frequencies    1/10mW RF Power    LCD Screens, Ethernet for Group Scans    Interchangeable Mic Capsule Design    Compatible with 8-Hr Rechargeable SB903    Expandable to 32 Mic Channels/330' Range

• With durable aluminum housing, the SLXD2 handheld transmitter offers a lightweight design that's comfortable to hold,  and it features an LCD to show essential information.
• The Beta 87A condenser microphone capsule handles SPL levels up to 140 dB and offers a smooth frequency response with a gradual presence rise and controlled proximity effect tailored for vocals. Its supercardioid pickup pattern helps isolate the voice from unwanted background noise.
• The transmitter's interchangeable capsule design allows you to choose the ideal capsule for your application. Shure offers a variety of optional dynamic and condenser mic capsules with varying pickup patterns—capsules include the Beta 58A, SM58, and KSM8.

• 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 G58: 470 to 514 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.
• The system supports up to 10 compatible systems per 6 MHz TV band and 12 systems per 8 MHz band.
• 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.

• 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 or event.
• 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.

• 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.

• 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.

Shure offers a bodypack transmitter with a variety of lavalier and headset microphones to adapt your system as your needs evolve.

• The WL183 (omnidirectional), WL185 (cardioid), and WL184 (supercardioid) lavalier mics offer hands-free presentation options.
• The miniature WL93 and subminiature MX150 mics are smaller, easy-to-conceal lavaliers.
• The discreet MX153 subminiature earset mic provides exceptional clarity in spoken word applications.
• The PGA31 is a comfortable, durable headset microphone for active performance.

Related Questions and Answers

Q: 1. Will the receiver connect to my mirrorless camera or computer to live stream a presentation?

A: Yes, you just need to connect the Shure SLXD4D receiver to the camera's audio input or to an audio interface such as B&H # FOSSOLO4G to allow for use with livestreaming software.

Q: 2. I have the Dual-Channel System with H55: 514 to 558 MHz band. I want to get a second unit. Should I buy the same frequency band?

A: In most cases you can use the same frequency band, but to be sure, please click the following link. The Shure Frequency Finder will show you how many microphones you can use per frequency band based on your zip code. https://www.shure.com/en-US/support/tools/frequency-finder

Q: 3. Does this system have phantom power protection? For example, if you accidentally turn on phantom power on the mixer to use a condenser mic, will it damage the system?

A: The receiver in the Sennheiser EW 100 G4-945-S Wireless Handheld Microphone System with MMD 945 Capsule does not make any specific indication regarding phantom power precautions. Clearly you do not want to have phantom power engaged on the input it is connected to, but it will likely not damage the receiver either.

Q: 4. Can you use both the microphones at the same time (body pack and handheld)?

A: No, you cannot use both microphones (the bodypack and handheld) at the same time because the Shure SLXD4 receiver that comes with the Shure SLXD124/85 Digital Wireless Combo Microphone System (G58: 470 to 514 MHz) is single channel.

Q: 5. whats the difference between this 2 kits Shure BLX24 Handheld Wireless System With Beta 58A Mic (J10: 584 - 608 MHz) and Shure BLX24/SM58 Vocal Wireless System Basic Kit (H9: 512 to 542 MHz)???

A: The Beta 58a is a different microphone. It is also in a different frequency block. The kit with the SM58 also comes with a bag, cable. and windscreen.

Q: 6. We currently have several BLX24 systems on H8 frequency and would like to add 2 more matching systems. Will systems on H9 frequency work with H8 systems? Frequencies overlap (H8: 518 - 542 MHz v. H9: 512 - 542 MHz).

A: Yes, should all be able to be used together so long as the number of systems you are running within the same range does not exceed the amount of bandwidth available. For optimal coordination, it is preferred to utilize best practice by running a frequency scan on each system individually in sequence so that they can each find an optimal available frequency.As the question may also pertain to using the transmitters of one band with the other, to clarify, this can be done. However it is important to note the difference in frequency ranges of each band. For example, if an H9 receiver lands on a lower frequency group not covered by H8 transmitters, you cannot sync the transmitter to that unit (it cannot be set to the matching group). It's best to run a channel scan within a group you know both bands have in common to avoid this outcome and but still utilize the benefit of the system's frequency scan.

Q: 7. Will the receiver transmit static when the mic is off?

A: The Shure BLX4 receiver in the Shure BLX24/PG58 Wireless Handheld Microphone System with PG58 Capsule should not, in theory, create any noise when not paired with the PG58 transmitter. However, this is not a specification that manufacturers provide for their wireless products. Because this system operates on open frequencies, the receiver could be susceptible to RF activity in the area, which could manifest itself as audible static noise.

Q: 8. Will this system work within a studio setting? Will the signal travel through a block wall?

A: You can use the Shure SLXD24D/SM58 Dual-Channel Digital Wireless Handheld Microphone System in a studio setting if you keep the receiver in the same room as the transmitters and run a longer cable from the receiver output to the inputs on the mixer. The signal will not transmit through cinder block walls.

Q: 9. Can I stack multiple of these units? Thanks!

A: Shure does not recommend stacking multiple BLX88 and BLX4 receivers on top of each other since the antennas are built into the casing. You may want to consider the BLX4R receivers instead since this model has external antennas and multiple receivers can be easily rackmounted and stacked on top of each other without blocking the signal from going to the antennas.

Q: 10. will this system work in a fitness studio? we have coaches who sweat and are active during a group fitness class

A: Yes, the Shure SLXD14D Dual-Channel Digital Wireless Bodypack System with No Mics will be able to function inside a fitness studio. Please be aware that you will need to add microphones to connect to the transmitters and that the antennas for the transmitters and receiver must be within line of sight of each other in order for the system to function properly.