Shure Microflex Advance MXA910 User manual

MXA910, MXA910-60CM,
MXA910W-A, MXA910W-US
Ceiling Array Microphone
Shure MXA910 ceiling array microphone user guide. Includes mounting instructions, specifications, command strings, best practices, and mi
crophone configuration details.
Version: 14.5 (2021-K)

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Table of Contents
MXA910, MXA910-60CM, MXA910W-A, MXA910W-US
Ceiling Array Microphone 4
NOTICE 4
Getting Started 4
Step 1: Connect to a Network and Discover in Designer 5
Step 2: Route Audio and Apply DSP 5
Step 3: Adjust Microphone Coverage 5
Overview 6
General Description 6
Features 7
System Overview 8
Hardware 8
Network Ethernet Port 9
LED Light Bar 9
Power Over Ethernet (PoE) 11
Reset Button 11
Reset Modes 11
Software Reset Options 11
Using Designer's Optimize Workflow 11
Microphone Configuration 12
Software Overview 12
Configuring Microphone Coverage for MXA910 13
Using Autofocus to Improve Coverage 15
Adjusting Levels 15
Parametric Equalizer (PEQ) 16
EQ Contours 19
Custom Presets 19
Mute and Fader Groups 19
Mute Sync 19
Installation 20
Microphone Placement 20
Installing the Array Microphone 22
Model Variations 22
Rubber Scratch Protectors (MXA910 and MXA910-60CM)2
3
Ceiling Installation (MXA910 and MXA910-60CM) 23
Rubber Scratch Protectors (MXA910W-A) 24
Ceiling Installation (MXA910W-A) 25
Rubber Scratch Protectors (MXA910W-US) 26
Ceiling Installation (MXA910W-US) 27
Suspension Mounting 29
Cable Management 31
Installing the Junction Box Accessory 31
Software Installation, Management, and Security 33
Controlling Devices with Shure Designer Software 33
Accessing the Web Application 34
How to Update Firmware Using Designer 34
Firmware Versioning 35
Differences Between 3.x and 4.x Firmware 35
Use Cases 36
Overview of Shure Conferencing Devices 36
MXA910 Equipment Combinations 37
Use Case: Soft Codec with ANIUSB or P300 38
Use Case: ANI22 and Hard Codec 39
Use Case: Medium or Large Room with 2 MXA910s and a
P300 40
Automix 40
Automix Channel 40
Automix Modes 41

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Automix Settings 41
Automix Modes (Firmware <4.x only) 42
IntelliMix DSP 43
DSP Best Practices 43
Acoustic Echo Cancellation 43
Noise Reduction 44
Automatic Gain Control (AGC) 44
Delay 45
Compressor 45
Encryption 45
AES67 45
Sending Audio from a Shure Device 46
Receiving Audio from a Device Using a Different Audio
Network Protocol 46
Networking and Dante 46
Digital Audio Networking 46
Compatibility with Dante Domain Manager 46
Dante Flows for Shure Devices 47
QoS (Quality of Service) Settings 47
Switch and Cable Recommendations for Dante Network
ing 48
Networking Best Practices 48
Device IP Configuration 48
Device IP Settings 48
Configuring IP Settings 49
Manually Assigning Static IP Address 49
Setting Latency 49
Packet Bridge 50
IP Ports and Protocols 50
Echo Reduction (Firmware <4.x only) 51
How It Works 51
Enabling Echo Reduction 52
Using Command Strings 52
Troubleshooting 52
Important Product Information 53
Information to the user 54
Specifications 54
Polar Response 56
Frequency Response 57
Lobe Sensitivity 57
Accessories 58
Optional Accessories and Replacement Parts 58
Furnished Accessories 59
Contact Customer Support 59

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MXA910, MXA910-60CM, MXA910W-A, MXA910W-US
Ceiling Array Microphone
NOTICE
Due to a preliminary finding by a federal court in the United States, Shure is authorized to ship the MXA910-60CM. This model
is fully certified and lawful to use anywhere in the world but is not lawful to be used in the United States in a drop ceiling mount
ing configuration such as shown below. It is also unlawful to use adapters in an attempt to fit this smaller version to a ceiling
grid within the United States such that it mounts substantially as shown below.
Furthermore, the MXA91060CM is not designed or intended to be installed within a 24” ceiling grid, which is the standard size
grid in North America. Mounting in such a grid in the aboveshown configuration is unsafe and may cause damage to the prod
uct and/or injury to those below. The MXA910-60CM is safe and lawful for use in other mounting configurations, such as with
hard ceilings, or suspended from a VESA pole or suspension wiring, anywhere in the world.
The MXA910WUS is now available for 24” ceiling grid installations in the United States. The MXA910WUS provides a quick,
simple solution for installation in 24x24 inch ceiling grids in the U.S. and includes the same technology and performance as all
prior versions. Though the MXA910W-US is designed for ceiling grid installation, it is not intended to be flush-mounted as
shown above. For proper installation, see the Ceiling Installation (MXA910W-US) section below.
For more information or to place an order for the MXA910W-US, visit www.shure.com/mxa910.
Getting Started
To control the MXA910, use Shure Designer software. After completing this basic setup process, you should be able to:
Access and control the MXA910
Apply DSP to the microphone's signal
Route audio from the microphone to other devices
Before you get started, you'll need:
Cat5e (or better) Ethernet cable
Network switch that provides Power over Ethernet (PoE)

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Shure Designer software installed on a computer. Download at www.shure.com.
Note: If Designer isn’t available, you can use a web application to control the MXA910 and Dante Controller to route audio. Download the Shure Web
Device Discovery application to access your device’s web application.
Step 1: Connect to a Network and Discover in Designer
Connect the microphone to a PoE port on the network switch using Cat5e (or better) cable.
Connect your computer running Designer to the network switch.
Open Designer, and check that you’re connected to the correct network in Settings.
Click Online devices. A list of online devices appears.
To identify devices, click the product icon to flash the lights on a device.
Step 2: Route Audio and Apply DSP
The easiest way to route audio and apply DSP is with Designer's Optimize workflow. Optimize automatically routes audio sig
nals, applies DSP settings, turns on mute synchronization, and enables LED logic control for connected devices.
The MXA910 includes IntelliMix DSP that can be applied to the automix channel output.
For this example, we'll connect an MXA910 and an ANIUSB-MATRIX.
Go to My projects > New to create a new project.
Select New > Room (live) to create a new room. Any online devices appear in the list. Drag and drop the MXA910
and the ANIUSB-MATRIX to add them to your room.
Select Optimize.
Check the audio routes and settings to make sure they fit your needs. You might need to:
Delete unnecessary routes.
Verify that AEC reference signals are correctly routed.
Fine-tune DSP blocks as needed.
You can also route audio manually in Designer outside of the Optimize workflow, or use Dante Controller.
Step 3: Adjust Microphone Coverage
Select Coverage map to adjust the microphone's coverage.
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Use Auto position to let the software position each channel for you.
Listen to each of your microphone's channels and adjust the lobe position, width, and gain as needed. Click and drag to
adjust each channel's position. Learn more in the Configuring Microphone Coverage section.
After you have coverage set up, you can send audio from the ANIUSB-MATRIX to other Dante devices or analog sources.
Overview
General Description
The Microflex Advance Ceiling Array is a premium networked array microphone for AV conferencing environments, including
boardrooms, huddle rooms, and multi-purpose spaces. The ceiling array uses Shure's Steerable Coverage with Autofocus
technology: 8 highly directional pickup lobes capture participant audio from overhead, continually fine-tuning the position of
each lobe in real time as participants lean back in their chairs or stand up .
The microphone also includes the IntelliMix DSP suite, which includes AEC, noise reduction, automatic mixing, and more. Con
trol the microphone with Shure Designer software, or a browser-based web application. The microphone integrates seamlessly
with Dante digital networked audio, AES67, and third-party preset controllers, including Crestron and AMX, to deliver a high-
quality AV conferencing experience that appeals equally to integrators, consultants, and meeting participants.
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Features
Configurable Coverage
Steerable Coverage delivers precise pickup for up to 8 independent lobes
Automatic lobe positioning speeds up installation
Patent-pending Autofocus technology continually fine-tunes the position of each lobe in real time, for consistent sound
when participants lean back in their chairs or stand up
Available on firmware 4.x and newer through a free update
IntelliMix DSP
IntelliMix DSP provides automatic mixing, AEC, noise reduction, automatic gain control, delay, compressor, and channel
equalization
Available on firmware 4.x and newer through a free update
Software Control
Shure Designer system configuration software provides comprehensive microphone and pattern control
With Designer, you can also design coverage with online and offline devices, and route audio between Shure devices
If Designer isn't available, use the browser-based web application to control the microphone
Compatible with Shure SystemOn audio asset management software for remote monitoring and realtime alerts about crit
ical issues
Network Connectivity
Discrete audio channels for each lobe and an automix channel are delivered over a single network cable
Dante digital audio coexists safely on the same network as IT and control data, or can be configured to use a dedicated
network
Control strings available for third-party preset controllers including Crestron and AMX

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Professional Design
Sleek industrial design blends with contemporary board rooms and meeting spaces
Versatile mounting options for ceilings, pole mounts, suspension cables, and more
Available in white, black, and aluminum finishes (detachable grille can be custom painted)
System Overview
①Dante audio, power, and control
Each array microphone connects to the network over a single network cable, which carries Dante audio, Power over Ether
net (PoE), and control information to adjust coverage, audio levels, and processing.
②Analog audio (microphone to network)
Analog equipment, such as a wireless microphone system or a gooseneck microphone on a podium, connects to the Dante
audio network through a Shure Network Interface (model ANI4IN) for a completely networked conferencing system.
③Far-end audio (network to loudspeakers)
Danteenabled loudspeakers and amplifiers connect directly to a network switch. Analog loudspeakers and amplifiers con
nect through a Shure Network Interface (model ANI4OUT), which converts Dante audio channels into analog signals, deliv
ered through 4 discrete XLR or block connector outputs.
④Device control and Dante audio
Control: A computer connected to the network controls the microphone with Shure Designer software. You can remotely
adjust coverage, muting, LED behavior, lobe settings, gain, and network settings.
Audio: Route audio with Dante Controller or Shure Designer software. Dante Virtual Soundcard enables audio monitoring
and recording directly on the computer.
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Hardware
Network Ethernet Port
The network port carries all audio, power, and control data. It is located on the back panel as shown.
①Network Port
RJ-45 jack for network connection.
②Network Status LED (Green)
Off = no network link
On = network link established
Flashing = network link active
③Network Speed LED (Amber)
Off = 10/100 Mbps
On = 1 Gbps
LED Light Bar
The LED on the microphone indicates whether the microphone is active or muted, identifies the hardware, and provides confir
mation of firmware updates.

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Default Settings
Microphone Status LED Behavior / Color
Active Green (solid)
Mute Red (solid)
Hardware identification Green (flashing)
Firmware update in progress Green (progresses along bar)
Reset
Network reset: Red (progresses along bar)
Factory reset: Triggers device power-up
Error Red (split, alternate flashing). See the device event log for
details.
Device power-up Multi-color flash, Blue (moves quickly back and forth across
bar)
Note: When the LED is disabled, the LED still illuminates while the device is powering up and when an error state occurs.
Customizing Lighting Settings
Custom LED brightness, colors, and behaviors are assignable in the control software. They can also be controlled through an
external control system:
Open the Configuration tab
Select Light Bar
Mute LED Behavior
The lighting for mute and active microphone states is configurable to match the behavior of other devices in conference rooms.
In the LIGHT BAR PROPERTIES menu, use the drop-down menus to select LED settings.

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Dimming and Disabling
To dim or turn off the LED, use the brightness fader.
Power Over Ethernet (PoE)
This device requires PoE to operate. It is compatible with both Class 0 and Class 3 PoE sources.
Power over Ethernet is delivered in one of the following ways:
A network switch that provides PoE
A PoE injector device
Reset Button
The hardware reset button is located inside a grille hole and can be pushed with a paperclip or other small tool. The hole is
identified with a gray circle. When looking at the Shure logo, it is the second hole in the fourth row from the top.
Reset Modes
Network reset (press button for 4-8 seconds)
Resets all Shure control and audio network IP settings to factory defaults. Red LED along bar.
Full factory reset (press button for longer than 8 seconds)
Restores all network and web application settings to the factory defaults. Multicolor flash, then blue LED along bar.
Software Reset Options
Reboot Device (Settings > Factory Reset): Power-cycles the device as if it were unplugged from the network. All settings
are retained when the device is rebooted.
Default Settings (Presets > Restore default settings): Restores audio settings back to factory settings (excluding de
vice name, IP settings, and passwords).

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Using Designer's Optimize Workflow
Designer's Optimize workflow speeds up the process of connecting systems with at least 1 microphone and 1 audio processor.
Optimize also creates mute control routes in rooms with MXA network mute buttons. When you select Optimize in a room, De
signer does the following:
Creates audio routes and mute control routes
Adjusts audio settings
Turns on mute synchronization
Enables LED logic control for applicable devices
The settings are optimized for your particular combination of devices. You can customize settings further, but the Optimize
workflow gives you a good starting point.
After optimizing a room, you should check and adjust settings to fit your needs. These steps may include:
Deleting unnecessary routes.
Checking levels and adjusting gain.
Verifying that AEC reference signals are correctly routed.
Fine-tuning DSP blocks as needed.
Compatible devices:
MXA910
MXA710
MXA310
P300
IntelliMix Room
ANIUSB-MATRIX
MXN5-C
MXA Network Mute Button
To use the Optimize workflow:
Place all relevant devices in a room.
Select Optimize. Designer optimizes microphone and DSP settings for your equipment combination.
If you remove or add devices, select Optimize again.
Microphone Configuration
Software Overview
Designer allows administrators and technicians to control:
Coverage: Adjust lobe width and location, select templates, save or load presets, customize light bar settings, and run auto
matic setup.
Channels: Adjust and monitor channel levels, mute channels or channel groups, configure automix settings, and adjust equal
izer settings.
Settings: Control network IP settings, device name, passwords, languages, firmware identification, and device reset.

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Software Workflow Basics
Think of each lobe as an individual microphone. If there were 8 microphones on the table, each one could be physically moved
according to seating arrangements, and would be plugged into a mixer with independent gain and channel controls. With the
Microflex Advance Ceiling Array Microphone, Designer delivers control over the physical coverage and audio channel settings,
with user presets to quickly switch between configurations. Each lobe is moved according to seating arrangements, with three
width settings to change the size of the coverage area. Independent mixer channels control the level and audio properties for
each lobe.
Each lobe is represented graphically and can be dragged into place. A corresponding mixer channel provides control
over audio settings for each lobe.
Configuring Microphone Coverage for MXA910
To configure the MXA910, follow these steps:

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Set Device Properties
Select the device and set the properties:
Enter a value for the device height (the distance between the floor and the microphone). By default, the device height
matches the ceiling height, though you can adjust them independently.
Move and rotate the device to match your layout.
Position Microphone Coverage
Add channels by clicking Add channel above the workspace.
Enter the talker height by selecting a channel and providing the value in the Properties. This ensures accurate aiming.
Move channels to cover the appropriate areas:
Channels are independently selectable and can be moved anywhere within the maximum allowed coverage area. If
dragged outside of this region, lobes turn red and revert back to the last acceptable position.
Position the channels by dragging or nudging them into place. Distance values to the device and to the workspace
0,0 are calculated in the properties panel.
Use the grid to measure the precise placement.
As you move channels into position, have someone talk from each position and listen to the channel. Move lobes ac
cordingly to get the best position for each one.
You'll see the lobes moving in Designer's coverage map as participants shift positions, which is the Autofocus technolo
gy in action. Autofocus fine-tunes each lobe's position in real time, even if meeting participants lean back or stand up.
Adjust Channel Width
Independent width control makes it possible for some channels to capture individual talkers (narrow), while others cover multi
ple talkers (wide).
To change a channel width:
Select the channel
Choose a width setting from the pull-down menu. The width is calculated and displayed, based on the lobe location and
heights entered for the device and talker.
Width Settings:
Narrow (35°)
Medium (45°)
Wide (55°)

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Channel widths for the three settings with the microphone 6 feet above a table
Use Auto Position
You can use Auto position to correctly position the lobe for a selected channel:
Select a channel.
Click Auto position.
Ensure that you have the correct channel selected and the talker height specified.
Have someone talk in each area that you want to cover in the room and click Listen. Designer listens and determines
the correct position and width for the channel.
A confirmation dialog displays when Designer determines the correct position and width. You may want to listen to each
lobe position yourself to check that they're positioned correctly.
Using Autofocus to Improve Coverage
This microphone uses built-in Autofocus technology to fine-tune each lobe's position in real time, even if meeting participants
lean back or stand up. You'll see the lobes moving in Designer's coverage map as participants shift positions. Autofocus only
responds to in-room sound sources.
For best results with Autofocus, always route a reference source to the microphone's AEC Reference In channel. Even if you're
only using direct outputs from the microphone and a different DSP, route a reference signal to the microphone's AEC Refer
ence In channel to take full advantage of Autofocus.
Adjusting Levels
Gain levels on MicroflexAdvance microphones must be set for each saved coverage preset to ensure an optimized gain struc
ture for all seating scenarios. Always adjust the levels before making any changes to automix settings to ensure the best per
formance.
Perform a level check for each coverage area, using a typical speech volume. Adjust the faders so the meters are
peaking at approximately -20 dBFS.

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Adjust the equalizer settings to optimize speech intelligibility and minimize noise (such as low-frequency rumble caused
by HVAC systems).
If equalizer settings cause a significant increase or decrease in levels, make any necessary level adjustments accord
ing to step 1.
When to Use the Channel and IntelliMix Gain Faders
There are 2 different gain faders that serve different purposes:
Channel Gain (Pre-Gate)
To adjust, go to Channels. These faders affect a channel's gain before it reaches the automixer and therefore affect the
automixer's gating decision. Boosting the gain here will make the lobe more sensitive to sound sources and more likely to
gate on. Lowering gain here makes the lobe less sensitive and less likely to gate on. If you're only using direct outputs for
each channel without the automixer, you only need to use these faders.
IntelliMix Gain (Post-Gate)
To adjust, go to Configuration > IntelliMix. These faders adjust a channel's gain after the lobe has gated on. Ad
justing the gain here will not affect the automixer's gating decision. Only use these faders to adjust the gain of a talker after
you are satisfied with the automixer's gating behavior.
Parametric Equalizer (PEQ)
Maximize audio quality by adjusting the frequency response with the parametric equalizer.
Common equalizer applications:
Improve speech intelligibility
Reduce noise from HVAC systems or video projectors
Reduce room irregularities
Adjust frequency response for reinforcement systems
To turn off all EQ filters, select Bypass all EQ.
If you’re using Shure Designer software to configure your system, please check the Designer help section for more about this topic.
Setting Filter Parameters
Adjust filter settings by manipulating the icons in the frequency response graph, or by entering numeric values. Disable a filter
using the check-box next to the filter.
Filter Type
Only the first and last band have selectable filter types.
Parametric: Attenuates or boosts the signal within a customizable frequency range
Low Cut: Rolls off the audio signal below the selected frequency
Low Shelf: Attenuates or boosts the audio signal below the selected frequency
High Cut: Rolls off the audio signal above the selected frequency
High Shelf: Attenuates or boosts the audio signal above the selected frequency
Frequency
Select the center frequency of the filter to cut/boost

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Gain
Adjusts the level for a specific filter (+/- 30 dB)
Q
Adjusts the range of frequencies affected by the filter. As this value increases, the bandwidth becomes thinner.
Width
Adjusts the range of frequencies affected by the filter. The value is represented in octaves.
Note: The Q and width parameters affect the equalization curve in the same way. The only difference is the way the values are represented.
Copy, Paste, Import, and Export Equalizer Channel Settings
These features make it simple to use effective equalizer settings from a previous installation, or simply accelerate configuration
time.
Copy and Paste
Use to quickly apply the same PEQ setting across multiple channels.
Select the channel from the pull-down menu in the PEQ screen.
Select Copy
In the pull-down menu, select the channel to apply the PEQ setting and select Paste.

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Import and Export
Use to save and load PEQ settings from a file on a computer. This is useful for creating a library of reusable configuration files
on computers used for system installation.
Export
Choose a channel to save the PEQ setting, and select Export to file.
Import
Choose a channel to load the PEQ setting, and select Import from file.
When to Use the Channel and Automix Equalizers
Apply Automix EQ to make system-wide changes, such as a treble boost to improve speech clarity. Use Channel EQ to make
adjustments to a specific channel. For example, to reduce unwanted noise picked up by only one channel.
Equalizer Applications
Conferencing room acoustics vary based on room size, shape, and construction materials. Use the guidelines in following ta
ble.
EQ Application Suggested Settings
Treble boost for improved speech intelligibility Add a high shelf filter to boost frequencies greater than 1
kHz by 3-6 dB
HVAC noise reduction Add a low cut filter to attenuate frequencies below 200 Hz
Reduce flutter echoes and sibilance
Identify the specific frequency range that "excites" the room:
Set a narrow Q value.
Increase the gain to between +10 and +15 dB, and
then experiment with frequencies between 1 kHz and
6 kHz to pinpoint the range of flutter echoes or sibi
lance.
Reduce the gain at the identified frequency (start be
tween -3 and -6 dB) to minimize the unwanted room
sound.
Reduce hollow, resonant room sound
Identify the specific frequency range that "excites" the room:
Set a narrow Q value.
Increase the gain to between +10 and +15 dB, and
then experiment with frequencies between 300 Hz
and 900 Hz to pinpoint the resonant frequency.
Reduce the gain at the identified frequency (start be
tween -3 and -6 dB) to minimize the unwanted room
sound.

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EQ Contours
Use the built-in equalizer contours to quickly apply EQ changes to all channels. EQ contours are separate from the per-channel
EQ settings. Applying both EQ contours and per-channel EQ has a cumulative effect, meaning that the EQ changes stack on
top of each other.
To enable a contour, open the web application and select a contour in the device options section.
Off: Turns off any active EQ contours
High Pass (default): 300 Hz low-cut filter
Low Shelf: 960 Hz, -10 dB low-shelf filter
Multi-Band: 200 Hz low-cut filter; parametric 450 Hz, -10 dB, 2.87 Q, ½ octave; parametric 900 Hz, -10 dB, 2.87 Q, ½ oc
tave
Click Bypass all EQ to quickly bypass any EQ contours or channel EQ settings.
Best Practices
Listen to and test your system as you make EQ changes, and make sure they work for your specific room.
When using with a P300 audio conferencing processor, turn off the microphone's channel EQ and EQ contours. Use the
P300 to make EQ adjustments.
Custom Presets
Use presets to quickly save and recall settings. Up to 10 presets can be stored on each device to match various seating
arrangements. A preset saves all device settings except for the Device Name, IP Settings, and Passwords. Importing and ex
porting presets into new installations saves time and improves workflow. When a preset is selected, the name displays above
the preset menu. If changes are made, an asterisk appears next to the name.
Note: Use the default settings preset to revert to the factory configuration (excludes Device Name, IP Settings, and Passwords).
Open the presets menu to reveal preset options:
save as preset: Saves settings to the device
load preset: Opens a configuration from the device
import from file: Downloads a preset file from a computer onto the device. Files may be selected through the
browser or dragged into the import window.
export to file: Saves a preset file from the device onto a computer
Mute and Fader Groups
Add channels to a Mute group or Fader group to link the corresponding controls together. For example, if channels 1, 2, and 3
are added to a Mute group, muting any of those individual channels will mute all of the grouped channels.
If you’re using Shure Designer software to configure your system, please check the Designer help section for more about this topic.

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Mute Sync
Mute sync ensures that all connected devices in a conferencing system mute or unmute at the same time and at the correct
point in the signal path. Mute status is synchronized in the devices using logic signals or USB connections.
To use mute sync, make sure logic is enabled on all devices.
Designer's Optimize workflow configures all necessary mute sync settings for you.
Compatible Shure logic devices:
P300 (Also mutes supported soft codecs connected by USB)
ANIUSB-MATRIX (Also mutes supported soft codecs connected by USB)
IntelliMix Room software (Also mutes supported soft codecs connected by USB)
MXA910
MXA710
MXA310
Network Mute Button
ANI22-BLOCK
ANI4IN-BLOCK
Logic-enabled MX microphones connected to ANI22-BLOCK or ANI4IN-BLOCK
MX392
MX395-LED
MX396
MX405/410/415
To use mute sync, route the microphone’s signal to a processor that has logic turned on (P300, ANIUSBMATRIX, or IntelliMix
Room software). Microphones always have logic turned on.
For help with specific mute sync implementations, see our FAQs.
Installation
Microphone Placement
Room Variables
Optimal microphone placement is determined by the seating arrangements and infrastructure. Follow these guidelines for the
best possible results:
In rooms with flexible furniture arrangements or multiple array microphones, use the microphone configuration tool in the
web application or Shure Designer software to ensure that the coverage is adequate for all seating scenarios.
The lobes should be pointed towards the front of each talker. Carefully consider placement in rooms where talkers may
face a screen during a video conference.
Avoid installing the microphone directly next to unwanted sound sources, such as air vents or noisy video projectors.
Consider installing acoustic treatment to improve speech intelligibility in rooms that are too reverberant.
Mounting Height
The maximum mounting height that can be set is 30 feet (9.14 meters). In a typical acoustic environment , the microphone
maintains an "A" rating based on the STIPA (Speech Transmission Index for Public Address systems) international standard at
distances up to 16 feet between the microphone and talker. In better acoustic environments, the STIPA "A" rating may extend
beyond 16 feet.
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