Shure INTELLIMIX P300 Original instructions

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Safety Information
IMPORTANT SAFETY INSTRUCTIONS
1. READ these instructions.
2. KEEP these instructions.
3. HEED all warnings.
4. FOLLOW all instructions.
5. DO NOT use this apparatus near water.
6. CLEAN ONLY with dry cloth.
7. DO NOT block any ventilation openings. Allow sufficient distances for adequate ventilation and install in accor
dance with the manufacturer’s instructions.
8. DO NOT install near any heat sources such as open flames, radiators, heat registers, stoves, or other appara
tus (including amplifiers) that produce heat. Do not place any open flame sources on the product.
9. DO NOT defeat the safety purpose of the polarized or grounding type plug. A polarized plug has two blades
with one wider than the other. A grounding type plug has two blades and a third grounding prong. The wider
blade or the third prong are provided for your safety. If the provided plug does not fit into your outlet, consult an
electrician for replacement of the obsolete outlet.
10. PROTECT the power cord from being walked on or pinched, particularly at plugs, convenience receptacles,
and the point where they exit from the apparatus.
11. ONLY USE attachments/accessories specified by the manufacturer.
12. USE only with a cart, stand, tripod, bracket, or table specified by the manufacturer, or sold with the apparatus.
When a cart is used, use caution when moving the cart/apparatus combination to avoid injury from tip-over.
13. UNPLUG this apparatus during lightning storms or when unused for long periods of time.
14. REFER all servicing to qualified service personnel. Servicing is required when the apparatus has been dam
aged in any way, such as power supply cord or plug is damaged, liquid has been spilled or objects have fallen
into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has
been dropped.
15. DO NOT expose the apparatus to dripping and splashing. DO NOT put objects filled with liquids, such as vas
es, on the apparatus.
16. The MAINS plug or an appliance coupler shall remain readily operable.
17. The airborne noise of the Apparatus does not exceed 70dB (A).

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18. Apparatus with CLASS I construction shall be connected to a MAINS socket outlet with a protective earthing
connection.
19. To reduce the risk of fire or electric shock, do not expose this apparatus to rain or moisture.
20. Do not attempt to modify this product. Doing so could result in personal injury and/or product failure.
21. Operate this product within its specified operating temperature range.
Note: Model information and power ratings are labeled on the bottom of the unit.
This symbol indicates that dangerous voltage constituting a risk of electric shock is present within
this unit.
This symbol indicates that there are important operating and maintenance instructions in the litera
ture accompanying this unit.
Overview
General Description
The P300 IntelliMix® Audio Conferencing Processor offers IntelliMix DSP algorithms optimized for audio / video
conferencing applications, featuring 8 channels of acoustic echo cancellation, noise reduction and automatic gain
control to ensure a high-quality audio experience.
The P300 provides Dante (10 in / 2 out), Analog (2 block in / 2 block out), USB (1 in / out) and Mobile (3.5 mm)
connectivity options that makes connecting to room systems and collaborating with laptops and mobile devices
easier than ever
Features
• Connects 10 Dante™ audio inputs, 2 analog inputs, USB, and a mobile device to an A/V conferencing system
or a PC-based videoconferencing application
•Includes Shure DSP algorithms to enhance audio quality in A/V conferences: 8 channels of AEC (acoustic echo
cancellation), noise reduction, and automatic gain control, combined with IntelliMix automatic mixing, matrix
mixing, delay, compressor and parametric equalization
• Flexible signal routing and connectivity: analog audio (2 block in / 2 block out) to connect to room A / V confer
encing system; USB (1 in / out) to connect to laptop or room PC; one 3.5 mm TRRS jack to connect to a mobile
device to enable an additional participant to join
•Power over Ethernet Plus (PoE+) eliminates the need for an outboard power supply
•Compact form factor is easy to mount without equipment rack

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Getting Started
This device features a browser-based web application, which controls audio and network properties. Upon com
pleting this basic setup process, you will be able to:
•Access the web application to customize audio settings, signal routing, and network properties
•Use Dante Controller software to connect with other Dante devices and pass audio
•Access additional configuration information
Step 1: Connect to a Network
1. Use an Ethernet cable (CAT5e or higher) to connect the P300 to a network switch.
Note: The network switch must provide Power over Ethernet Plus (PoE+). Make sure to connect to a PoE+
port, since many switches do not supply power on all ports.
2. Connect a computer to the network switch with an Ethernet cable
Step 2: Access the Web Application
1. Download and install the Shure Device Discovery application (http://www.shure.com)
2. Open the Shure Device Discovery application
3. Double-click the device to open the web application.
Tip: If setting up multiple Shure devices, use the Identify button in the application to flash the lights on the de
vice.

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Step 3: Connect Devices in Dante Controller Soft
ware
1. Download and install Dante Controller Software from http://www.audinate.com
2. Use Dante Controller to create connections with other Dante devices.
3. Important: For Shure devices with integrated automatic mixing (such as the MXA910), connect independent
channels to the P300 Dante input channels to ensure effective acoustic echo cancellation.
Note: Refer to the Dante Controller user guide for more information on channel routing (available at http://
www.audinate.com/resources/technical-documentation)

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Example: Connecting the P300 and Shure MXA910
1. Find the MXA910 in the list of Dante transmitters, and select the plus sign (+) to show all channels.
2. Find the P300 in the list of Dante receivers, and select the plus sign (+) to show all channels.
3. Connect channels 18 from the MXA910 to Dante input channels 18 on the P300. Do not use the automix out
put from the MXA910 into the P300.
Step 4: Configure Audio
The final configuration steps will vary, depending on the signal processing required and hardware connected to the
P300. These steps provide a general guideline. Specific steps are included in the system examples.
1. Connect analog, USB, and mobile audio devices

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2. Route signals in the matrix mixer
3. Adjust input and output levels in the input and output tabs
4. Turn on digital signal processing blocks as needed
5. Set the AEC reference channel by opening the AEC menu in the schematic view or inputs tab and selecting a
channel from the pull-down menu. Use the channel that carries audio to loudspeakers as the AEC reference.
Analog -- To Speaker is the most common channel for this application, in configurations using an analog loud
speaker system or the built-in speaker on a display.
More comprehensive information is available in the help section of the web application.

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Get More Information
Now that the basic setup is complete, you should have access to the web application and be able to pass audio
between devices. More comprehensive information is available online and in the help section, including:
•Maximizing audio quality with the built-in parametric equalizer
•External control system command strings
•Signal routing
•System scenario diagrams
•Software configuration
•Networking information
•Troubleshooting
•Replacement parts and accessories
The complete user guide is available at http://pubs.shure.com/guide/P300 (http://pubs.shure.com/guide/ANIUSB-
MATRIX)
System Planning and Gear Requirements
USB Computer System
1. Connect the computer to the USB port on the P300

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2. Connect a powered loudspeaker or amplifier to the P300 analog output 2. In the matrix mixer, this is labeled
Analog - To Speaker.
3. In the P300 web application, open the matrix mixer to make connections between devices.
Note: Some connections are established in the matrix mixer by default. Refer to the matrix mixer help topic in
the web application for additional information.
Required Matrix Mixer Connections:
Input Output
Automix USB output
USB input Analog - To Speaker
4. In the schematic view, right-click any AEC block and set the AEC reference channel to Analog - To Speaker.
5. In the web application, adjust input and output levels and perform a sound check. Refer to the help topics in the
web application for additional information.
Connecting a USB Device
The USB port connects the host computer to the entire room audio system, including microphones and loudspeak
ers.
When the P300 is connected for the first time, the computer recognizes it as a USB audio device. You may need to
select it as the input/output (recording/playback) device to pass audio. Assign the P300 as the default device to
ensure it passes audio every time it is plugged in. Refer to the manual for your computer to configure the audio
settings.
Adapter Compatibility
This device is compatible with USB-B to USB-C adapters. Using an adapter is only recommended for desktop and
laptop computers, as many mobile devices do not support bi-directional audio through USB or lightning ports.

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Hardware Codec System
1. Connect the hardware codec audio output to the P300 analog input 1. In the matrix mixer, this is labeled Ana
log - From Codec.
2. Connect the hardware codec audio input to the P300 analog output 1. In the matrix mixer, this is labeled Ana
log - To Codec.
3. Connect a powered loudspeaker or amplifier to the P300 analog output 2. In the matrix mixer, this is labeled
Analog - To Speaker.
4. In the P300 web application, open the matrix mixer to make connections between devices.
Note: Some connections are established in the matrix mixer by default. Refer to the matrix mixer help topic in
the web application for additional information.
Required Matrix Mixer Connections:
Input Output
Automix Analog - To codec
Analog - From Codec Analog - To Speaker
5. In the schematic view, right-click any AEC block and set the AEC reference channel to Analog - To Speaker.
6. In the web application, adjust input and output levels and perform a sound check. Refer to the help topics in the
web application for additional information.

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Mobile Phone System
In this example, when the phone is plugged in, the builtin microphone and speaker are disabled  the phone sim
ply carries the call. The MXA310 microphone captures near-end audio, and the loudspeaker delivers audio from
the far end of the call.
1. Connect the phone to the P300 with a 1/8-inch TRRS cable
2. Connect a powered loudspeaker or amplifier to the P300 analog output 2. In the matrix mixer, this is labeled
Analog - To Speaker.
3. In the P300 web application, open the matrix mixer to make connections between devices.
Note: Some connections are established in the matrix mixer by default. Refer to the matrix mixer help topic in
the web application for additional information.
Required Matrix Mixer Connections:
Input Output
Automix Mobile output
Mobile input Analog - To Speaker
4. In the schematic view, right-click any AEC block and set the AEC reference channel to Analog - To Speaker.

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5. In the web application, adjust input and output levels and perform a sound check. Refer to the help topics in the
web application for additional information.
Mobile Connection Cable Requirements
A 1/8-inch TRRS cable is required to connect a phone to the P300. Avoid using cables with a metal flange, as it
may create an electrical connection to the exterior of the phone and interrupt the signal.
To ensure proper operation, only use:
•Apple-approved cables
•Cables with a plastic or non-conductive flange

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Note: If necessary, a TRS (tip/ring/sleeve) cable may be used to plug a stereo device into the P300, but the device
will only be able to send audio to the P300. The Enable auto-mute feature (located in the mobile channel of the in
put section in the web application) must be turned off in this case.
Optimizing P300 Audio Performance with
MXA910 and MXA310 Microphones
The P300 features templates for pairing with Shure microphone systems, and microphone optimization modes in
the automixer to ensure best performance with all equipment combinations. Disabling the signal processing on the
MXA910 and MXA310 is critical to achieve the best possible audio quality. See the process for each microphone
later in this topic.
P300 Configuration
Templates
Select a template to automatically adjust all DSP settings to match the microphone. Because room acoustics are
highly variable, equalizer settings are not included in templates and must be set manually.
Automix Mic Optimization Setting
Note: If using a template, the mic optimization setting is automatically entered.
Select the microphone that is used with the automixer for best performance.
Use MXA910 or MXA310 when using a Shure Microflex Advance™ Ceiling Array or Table Array microphone.
Important: Disable the low-shelf filter (MXA910), low-cut filter (MXA310), and all equalization on the microphones
for the best performance with mic optimization.
Use the Off setting when using a Shure Microflex Wireless system, or traditional wired microphones. If using wired
microphones, use the Shure ANI4IN Network Interface to bring the microphones onto the Dante network.
MXA910 and MXA310 Configuration
To Optimize P300 + MXA910 Audio Performance:
1. Open the MXA910 web application
2. Disable the Low Shelf Filter
3. On every channel, disable the equalizer and set the input gain to 0
4. If equalization is needed, use the P300 equalizers
To Optimize P300 + MXA310 Audio Performance:
1. Open the MXA310 web application
®

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2. Disable the Low Cut Filter
3. On every channel, disable the equalizer and set the input gain to 0
4. If equalization is needed, use the P300 equalizers
Hardware and Installation
P300 Hardware
Rear Panel
Front panel

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①Mobile Input TRRS mobile input connects to a mobile device. Supports bidirectional audio with
a TRRS cable, or sends audio into the P300 with a TRS cable.
Note: See the cable requirements topic for additional information
Pin Assignments:
Tip Audio Input (Left)
Ring 1 Audio Input (Right )
Ring 2 Ground
Sleeve Audio Output (To Phone)
Note: Left and Right audio signals are summed to a mono signal.
②Audio Inputs (Block
Connector)
Balanced audio input connects to an analog audio device. Set the analog input lev
el in the web application to match the output level of the analog device. Input sen
sitivity:
Line (+4 dBu)
Aux (-10 dBV)
Block Pin Assignments:
Audio +
Audio -
Audio ground
③Chassis Ground
Screw
Provides an optional connection for microphone shield wire to chassis ground.
④Audio Outputs (Block
Connector)
Balanced audio output connects to an analog device. Set the output level in the
web application to match the input sensitivity of the analog device (Line, Aux, or
Mic level).
Audio +
Audio -
Audio ground

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⑤USB Port Connects to a computer to send and receive audio signals. Use the matrix mixer to
sum any combination of signals from the P300 into a single mono channel and
send through the USB output.
⑥Dante Network Port Connects to a network switch to connect Dante audio, Power over Ethernet (PoE),
and data from the control software.
⑦Reset Button Resets the device settings back to the factory default

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⑧LED Indicators
Power: Power over Ethernet Plus (PoE+) present
Note: Use a PoE+ injector if your network switch does not supply PoE+.
Network: Ethernet connection activeNetwork Audio: Dante audio present on the
network Network Audio LED Behavior
LED Status Activity
Off No active signal
Green Device is operating successfully
Red Error has occurred. See event log for
details.
Encryption:
LED Status Activity
Off Audio not encrypted
Green Encryption enabled
Red Encryption error. Possible causes:
• Encryption is enabled on one de
vice and not on another
•Passphrase mismatch
USB Audio
LED State Status
Off No USB device connected
Green USB device operating successfully
Red (flashing) Problem detected with connected USB
audio device
Note: Error details are available in the event log in the web application.

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⑨ Level Indicators (Sig
nal/Clip)
Tri-color LEDs indicate the audio signal level for the analog channels. Adjust output
levels in the web application to avoid clipping.
Analog Input/Output
LED State Audio Signal Level
Off less than -60 dBFS
Green -60 dBFS to -18 dBFS
Yellow -18 dBFS to -6 dBFS
Red -6 dBFS or more
Note: The input and output LEDs stay off when metering is set to Post Fader and
the channel is muted in the web application.
Installation and Rack Mounting
Two mounting solutions are available for installing the P300:
CRT1 19" Rack Tray (optional accessory): Supports up to 2 devices (two P300s or one P300 and one ANI4IN,
ANI4OUT, ANI22, or ANIUSB); mountable in a rack or under a table
Single-unit Mounting Tray (included accessory): Supports a single device for mounting under a table
Securing the Devices
Use the included screws from the mounting hardware kit to secure each P300 or Audio Network Interface (ANI).
Devices can be mounted to face either direction. Insert the screws from the bottom in the appropriate holes, ac
cording to the following diagrams:

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Align the holes as shown for securing a single device in the single-unit mounting tray
Align the holes as shown for securing up to two devices in the 19" rack tray.

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Rack Ear Configuration (CRT1)
The adjustable rack ears support mounting in a standard equipment rack or underneath a table.
Standard 19" Rack Mount
1. Align the ears with the mounting holes pointed forward.
2. Install the two screws that hold the ear to the tray as shown.
Under-table Mounting
1. Align the ears with the mounting holes pointed upward.
2. Install the two screws that hold the ear to the tray as shown.

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Installing Underneath a Table
1. Hold the tray in the desired location under a table
2. Use a pencil to mark the location of the mounting holes on the table.
3. Drill 4 holes for the screws. The diameter of the holes in the tray are 7.1 mm.
4. Install the components into the tray
5. Install with 4 screws to secure the tray underneath the table
Power Over Ethernet Plus (PoE+)
This device requires PoE Plus to operate. It is compatible with both Class 4 PoE+ sources.
Power over Ethernet is delivered in one of the following ways:
•A network switch that provides PoE+
•A PoE+ injector device (must be a Gigabit device)
Cable Requirements
Always use Cat5E cable or higher.
Reset
The reset button is located inside a small hole in the rear panel. Use a paperclip or other small tool to press the
button.
There are two hardware reset functions:
Network reset (press but
ton for 4-8 seconds)
Resets all Shure control and audio network IP settings to factory defaults