Shure RMCE-TW2 True Wireless Secure Fit Adapters User Guide

Shure RMCE-TW2 True Wireless Secure Fit Adapters User Guide

Version: 1.2 (2021-I)

Important Safety Information
Before using this product, please read the warnings and safety instructions:

ShurePlus PLAY Mobile Listening App
Unlock the full potential of your listening experience

Fit

Select your sleeve

Install

Press firmly into ear

They should fit like earplugs

Button

Auto Power and Pair

1. Remove from case. The adapters automatically enter pairing mode. 
2. Select SHURE AONIC TW2 from your device

Earphone Charging

Earphone Charging
RED when charging, GREEN when fully charged.

Case Charging

Case Charging

Charging Case Battery Life
Press to display the number of times the case can charge the earphones

LED indicators

Adapter LEDs

Button Functions

Phone Call Functions

Important: Use the ShurePlus PLAY app to identify the active phone call mic.

Volume controls

You can use the buttons to control the volume:

Troubleshooting

If you only hear sound from one side, when listening to audio:

1. Pause the audio for 5-10 seconds to activate Standby mode (timing depends on which app you are using).
2. Press play. The audio should be heard in both earphones for the rest of the use session.

Another option:

1. Enable Environment mode with a double press.
2. Disable Environment mode with double press. This resets the audio, enabling both adapters.

To avoid this situation:

When pairing:

1. Begin pairing mode with either adapter.
2. Select “Shure AONIC TW2” in the Bluetooth device list.
3. Power on the other adapter.

Already paired: power them both on at the same time

Reset paired devices list
You may find it necessary to reset the True Wireless adapters.

1. Place adapters in charging case.
2. Ensure that the charging case LED is red. If not, remove the adapters from the case and power them on for several minutes before starting the process again.
3. Press and hold both buttons, 7 seconds.

The adapters reset.

To keep them sounding their best…

• Clean regularly to remove debris and deposits.
• Contact Shure Service and Repair to replace damaged product. Simply detach and return the broken earpiece for easy replacement.

Visit http://www.shure.com/earphones for replacement parts and important instructions on cleaning and maintenance.

IPX4 rated sweat and water resistant

The earphones and adapters are designed to be sweat and water resistant but are not meant to be submerged under water.

• The IPX4 rating applies to the earphones only
• The IPX4 rating does not apply to the earphones while charging
• The IPX4 rating does not apply to charging case; it is not sweat and water resistant

Detachable Adapters

Earphones and adapters are interchangeable and replaceable. The connector fits tightly, and may require moderate pressure to pull apart. Take special care to prevent damage to the earphone or adapter. When reconnecting, listen for a click.

ShurePlus PLAY Mobile Listening App

General Description
The ShurePlus PLAY Mobile Listening App is a high-resolution music player with advanced EQ controls. Play uncompressed audio files with your iOS or Android mobile device using the music tab. Use built-in Shure EQ presets to customize the sound, or create your own EQ presets in the settings tab. Unlock environment mode and ANC features by connecting to Shure wireless and True Wireless products in the device tab.

Features

• Import and play multiple, high-resolution and standard file types
• Customize presets with the parametric graphic EQ
• Adjust your volume with the full-screen fader
• Create playlists and organize your music library by playlist, artist, album title, song title, genre, or composer
• Quickly dial in your sound with EQ preset modes for a variety of listening situations.

Environment mode
Environment mode allows you to accentuate the ambient noise around you. This is especially useful when you want to listen to music or are on a phone call, yet you still want to be aware of the sounds around you.

To use environment mode:

• Double press either adapter
• Use the switch in the ShurePlus PLAY app

In the ShurePlus PLAY app, you can adjust the environment mode across ten levels:

PausePlus
PausePlus accentuates the ambient noise around you when you pause your music. When you resume your music, you also revert to any previous settings.

To enable PausePlus, use the switch in the ShurePlus PLAY app.

Button Controls
You can customize the buttons for your earphones to control the features in the way that you want. You can control the button responses for:

• Music and Audio
• Phone calls
• Volume

Use Button Controls from the device home screen to access the Button Controls screen where you can customize the buttons for your earphones.

Prompts & Tones
You can select between voices, tones, and mute for the audio feedback that plays when events like power on/off, Bluetooth connection, etc. occur. After you have selected what type of prompt you want and the volume, you can further specify individual prompts for muting. The prompts that you can select from are:

• Power On/Off
• Bluetooth Disconnected
• Environment Mode
• Low Battery

Auto Power Off
You can configure the Auto Power Off feature in the PLAY app to turn off your headphones when not in use:

1. Select Device
2. Select Battery & Power
3. Specify the auto power off time in Power Off When Disconnected
   • After 10 Minutes
   • After 1 Hour
   • After 4 Hours
   • Never

Preset Modes
Use presets to quickly access commonly used listening scenarios. Seven selectable 4-band presets optimize settings for gain, equalization, and compression. Play a song and find the preset that you think suits the song best, and then adjust levels as needed.

Create Custom Presets
Add new preset

1. Scroll down to tap Add New Preset or tap Manual. New presets start out flat.

2. Adjust your frequency, gain, and bandwidth parameters. There are three ways to adjust your equalizer.
   • Tap the values to type in a specific number.
   • Tap the – or + to adjust in larger increments.
   • Tap and drag the numbered circles for bigger changes.

3. Tap Save to name and save your new custom preset. Custom presets will show up after the list of Shure presets.

Duplicate a Preset
You can duplicate both Shure and custom presets. Duplicating a preset is convenient if you like the way a preset sounds but you want to make and keep adjustments to the sound.

1. Start by selecting an already existing preset.

2. Tap the More Options 3 dots and select Duplicate.

3. Scroll down to find your duplicate preset in the list of custom presets.

4. Tap the More Options 3 dots and select Edit.

5. Adjust your frequency, gain, and bandwidth parameters. Type in a specific number. Tap – or + to adjust in small increments.
   Or manually tap and drag the numbered circles for larger changes.

6. Tap Save to save your new custom preset.

Use Screen Orientation to Adjust EQ
Hold your device in portrait mode to enter numerical EQ parameters. Rotate to landscape mode for a close-up view of the curve.

Use portrait mode to easily select and adjust frequency, gain, and bandwidth.

Use landscape for a close-up view of your EQ curves.

Updating the Firmware for Shure AONIC products
Take advantage of additional features and design enhancements by updating the firmware on your AONIC product. To check for firmware updates, connect the AONIC product to a device running the ShurePlus PLAY app, available for Android and iOS.

Follow these steps for a successful firmware update

1. Enable Airplane mode on your mobile device.

2. Turn on Bluetooth and pair the AONIC product to your device.
   Attention: Android users, check settings to ensure that both adapters are connected to your device.

3. Open the ShurePlus PLAY app and select the Device tab.
   • IMPORTANT: Ensure that both earphones or adapters are paired with the device and in close range (for applicable products).
   • If both earphones or adapters do not automatically connect, tap the music tab and then tap back into the device tab.

4. When an update is available, a green dot will appear next to Firmware Update in the device settings menu.

5. Tap the caret icon and follow the onscreen step-by-step instructions. The progress bar displays progress percentage for both adapters; it is a single process.

6. After a successful update, the “Update Completed” confirmation screen appears.

• Do not power off the AONIC product until the update completes.
• Do not put the adapters back into the case during firmware update. It will cancel the update.
• Note: If the update fails on the first attempt, be sure to quit the app completely before attempting again. You may need to force quit the app to confirm that it isn’t running in the background. Wait 5 minutes before opening the app and attempting again. Check the list below for tips on a successful update.

7. Confirm the new firmware version as displayed in the About menu (Device screen > … > About > Firmware Version).

Tips to ensure a reliable update

• Ensure that the mobile device and your AONIC product are powered on and near to one another.
• Using the product or mobile device while downloading may slow or cancel the update process.
• Update requires a minimum battery charge of 50% on your mobile device and on the AONIC product.
• Approximate download time for headphones and earphones is up to 30 minutes.
• Do not exit the PLAY app and ensure that your screen is on.
• Do not update in areas with high volume mobile or WiFi wireless activity, like a plane or train station. This interference can significantly slow down or cancel the update process.
• Ensure that your mobile device is using the most current operating system (OS).

Contact Shure Service and Repair if you experience any issues.

Accessories

Specifications

Secure Fit Adapters

• Frequency
  2402 to 2480 MHz

• Modulation Type
  GFSK, π/4DQPSK, 8DPSK

• RF Output Power
  – 1.18 dBm EIRP (Left), 1.99 dBm EIRP (Right )

• Antenna Type : Integral antenna

• Antenna Gain
  -4.32 dBi (Left), -2.73 dBi (Right )

• Supported Codecs
  Qualcomm aptX , SBC, AAC

• Working Range
  10 m

• Operating Temperature
  0°C to 45°C (32°F to 113°F)

• Charging Temperature Range
  0°C to 45°C (32°F to 113°F)

• Storage Temperature
  -10°C to 35°C (14°F to 95°F)
  SE215 Earphone

• Transducer Type
  Single Dynamic MicroDriver

• Sensitivity
  at 1 kHz
  107 dB SPL/mW

• Impedance
  at 1 kHz
  20 Ω

• Noise Attenuation
  up to 37 dB

• Frequency Range
  21 Hz–17.5 kHz

• Input Connector
  MMCX connectors

• Net Weight
  20.8 g (.7 oz.)

SAFETY PRECAUTIONS

Before using this product, please read and save the enclosed warnings and safety instructions.

WARNING FOR ALL EARPHONES!
Use, clean, and maintain earphones according to manufacturer’s instructions.

SAFETY PRECAUTIONS
The possible results of incorrect use are marked by one of the two symbols—”WARNING” and “CAUTION”—depending on the imminence of the danger and the severity of the damage.

WARNING

• If water or other foreign objects enter the inside of the device, fire or electric shock may result.
• Do not attempt to modify this product. Doing so could result in personal injury and/or product failure.
• Do not use when a failure to hear your surroundings could be dangerous, such as while driving, or when biking, walking, or jogging where traffic is present and accidents could occur.
• Keep this product and its accessories out of reach of children. Handling or use by children may pose a risk of death or serious injury. Contains small parts and cords that may pose risk of choking or strangulation.
• Prior to inserting the earphone, always recheck the sleeve to make sure it is firmly attached to the nozzle to decrease the risk of sleeves detaching from the nozzle and becoming lodged in your ear. If a sleeve becomes lodged in your ear, seek professional medical assistance to remove the sleeve.
• Stop using the earphones and consult a medical professional if you experience irritation, excessive wax buildup, or other discomfort.

CAUTION

• Never disassemble or modify the device, as failures may result.
• Do not subject to extreme force and do not pull on the cable or failures may result.
• Keep the earphone dry and avoid exposure to extreme temperatures and humidity.
• If you are currently receiving ear treatment, consult your physician before using this device.

High sound pressure
Hearing damage risk
To prevent possible hearing damage, do not listen at high volume levels for long periods.

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. Install in accordance with the manufacturer’s instructions.

8. DO NOT install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.

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.

For Products That Use Bluetooth
WARNING

• Follow instructions from manufacturer.
• Product battery may explode or release toxic materials. Risk of fire or burns. Do not open, crush, modify, disassemble, heat above 140°F (60°C), or incinerate.
• Attention should be drawn to the environmental aspects of battery disposal.
• Product shall not be exposed to excessive heat such as sunshine, fire, or the like.
• Do NOT make unauthorized alterations to this product.

CAUTION

• Follow applicable laws regarding mobile phone and headphone use while driving.
• This product contains magnetic material. Consult your physician on whether this might affect your implantable medical device.
• Batteries (battery pack or batteries installed) shall not be exposed to excessive heat such as sunshine, fire or the like
• Batteries (battery pack or batteries installed) shall not be crushed or cut
• Batteries (battery pack or batteries installed) shall not be subjected to extremely low air pressure
• Risk of fire or explosion if the battery is replaced by an incorrect type

Information to the user

This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:

• This device may not cause harmful interference.
• This device must accept any interference received, including interference that may cause undesired operation.

Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and the receiver.
• Connect the equipment to an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.

This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. End user must follow the specific operating instructions for satisfying RF exposure compliance. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. The portable device is designed to meet the requirements for exposure to radio waves established by the Federal Communications Commission (USA). These requirements set a SAR limit of 1.6 W/kg averaged over one gram of tissue. The highest SAR value reported under this standard during product certification for use when properly worn on the head.

This equipment should be installed and operated with minimum distance 0 cm between the radiator and your head.

This device contains licenceexempt transmitter(s)/receiver(s) that comply with Innovation, Science and Economic Development Canada’s licenceexempt
RSS(s). Operation is subject to the following two conditions:

1. This device may not cause interference.
2. This device must accept any interference, including interference that may cause undesired operation of the device.

This equipment complies with ISED radiation exposure limits set forth for an uncontrolled environment. This equipment could be installed and operated with minimum distance 0 cm between the radiator and your body. End user must follow the specific operating instructions for satisfying RF exposure compliance. This transmitter must not be colocated or operating in conjunction with any other antenna or transmitter.

The portable device is designed to meet the requirements for exposure to radio waves established by the ISED. These requirements
set a SAR limit of 1.6 W/kg averaged over one gram of tissue. The highest SAR value reported under this standard during product certification for use when properly worn on the head.

Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.

Note: Testing is based on the use of supplied and recommended cable types. The use of other than shielded (screened) cable types may degrade EMC performance.

Environmentally friendly disposal

  Old electrical appliances must not be disposed of together with the residual waste, but have to be disposed of separately. The disposal at the communal collecting point via private persons is for free. The owner of old appliances is responsible to bring the appliances to these collecting points or to similar collection points. With this little personal effort, you contribute to recycle valuable raw materials and the treatment of toxic substances.

Certifications

Visit http://www.shure.com/earphones for the latest regulatory and compliance information.

Note: Testing is based on the use of supplied and recommended cable types. The use of other than shielded (screened) cable types may degrade EMC performance.

This product meets the Essential Requirements of all relevant European directives and is eligible for CE marking.

This equipment complies with IC RSS-102 radiation exposure limits set forth for an uncontrolled environment. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.

This Class B digital apparatus complies with Canadian ICES-003.
norme NMB-003 du Canada.
The CE Declaration of Conformity can be obtained from: www.shure.com/europe/compliance

Authorized European representative:
Shure Europe GmbH
Global Compliance
Jakob-Dieffenbacher-Str. 12
75031 Eppingen, Germany

Phone: +49-7262-92 49 0
Email: info@shure.de
www.shure.com

The Bluetooth word mark and logos are registered trademarks owned by the Bluetooth SIG, Inc. and any use of such marks by Shure Incorporated is under license. Other trademarks and trade names are those of their respective owners.

Qualcomm aptX is a product of Qualcomm Technologies, Inc. and/or its subsidiaries.
Qualcomm is a trademark of Qualcomm Incorporated, registered in the United States and other countries. aptX is a trademark of Qualcomm Technologies International, Ltd., registered in the United States and other countries.

LIMITED WARRANTY

Shure Incorporated (“Shure”) hereby warrants to the original consumer purchaser only that, except as otherwise specified below, this product will be free in normal use of any defects in materials and workmanship for a period of two (2) years from the consumer’s original date of purchase directly from Shure orfrom a Shureauthorized reseller.

Any rechargeable batteries contained in or packaged with this product are so warranted for a period of one (1) year from the consumer’s original date of purchase. However, rechargeable batteries are consumable and their capacity will be reduced over time based on temperature, amount of time in storage, charging cycles, and other factors; hence reduction in battery capacity does not constitute a defect in material or workmanship.

At its sole option, Shure will repair or replace the defective product and promptly return it to you. In order for this warranty to be valid, the consumer must, at the time the product is returned, provide proof of purchase in the form of the original purchase receipt directly from Shure or from a Shureauthorized reseller. If Shure elects to replace the defective product, then Shure reserves the right to replace the defective product with another product of the same model or a model of at least comparable quality and features in Shure’s sole determination.

If you believe this product is defective within the warranty period, carefully repack the unit, insure it and return it with proof of purchase, postage prepaid, to Shure Incorporated, Attention: Service Department, at the address below.

Outside of the United States, return the product to your dealer or Authorized Service Center. Addresses are listed on www.Shure.com or can be obtained by contacting Shure at the address listed below.

This warranty is not transferable. This warranty does not apply in cases of abuse or misuse of the product, use contrary to Shure’s instruction, ordinary wear and tear, an act of God, negligent use, purchase from a party other than Shure or a Shureauthorized reseller, unauthorized repair, or modification of the product.

ALL IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ARE HEREBY DISCLAIMED TO THE EXTENT PERMITTED UNDER APPLICABLE LAWS AND, TO THE EXTENT NOT PERMITTED, ARE HEREBY LIMITED TO THE DURATION AND TERMS OF THIS WARRANTY. SHURE ALSO HEREBY DISCLAIMS ALL LIABILITY FOR INCIDENTAL, SPECIAL, OR CONSEQUENTIAL DAMAGES.

Some states do not allow limitations on how long an implied warranty lasts, or the exclusion or limitation of incidental or consequential damages, so the above limitation may not apply to you. This warranty gives you specific legal rights, and you may have other rights which vary from state to state.

This warranty does not restrict the rights of the consumer mandated under applicable laws.

THIS WARRANTY SUPERSEDES ALL OTHER WARRANTIES THAT ARE ASSOCIATED OR INCLUDED WITH THIS PRODUCT, EXCEPT THAT ANY SOFTWARE CONTAINED IN OR PACKAGED WITH THIS PRODUCT IS EXCLUDED FROM THIS WARRANTY AND INSTEAD SHALL BE COVERED BY THE WARRANTY, IF ANY, PROVIDED IN SHURE’S END USER LICENSE AGREEMENT ACCOMPANYING SUCH SOFTWARE.

FOR ORIGINAL PURCHASES IN AUSTRALIA ONLY

LIMITED WARRANTY AGAINST DEFECTS
Shure Incorporated (“Shure”) hereby warrants to the original consumer purchaser in Australia only that, except as otherwise specified below, this product will be free in normal use of any defects in materials and workmanship for a period of two (2) years from the consumer’s original date of purchase directly from Shure or from a Shure-authorized reseller.

Any rechargeable batteries contained in or packaged with this product are so warranted for a period of one (1) year from the consumer’s original date of purchase. However, rechargeable batteries are consumable and their capacity will be reduced over time based on temperature, amount of time in storage, charging cycles, and other factors; hence reduction in battery capacity does not constitute a defect in material or workmanship.

At its sole option, Shure will repair or replace the defective product and promptly return it to you. In order for this warranty to be valid, the consumer must, at the time the product is returned, provide proof of purchase in the form of the original purchase receipt directly from Shure or from a Shureauthorized reseller. If Shure elects to replace the defective product, then Shure reserves the right to replace the defective product with another product of the same model or a model of at least comparable quality and features in Shure’s sole determination.

If you believe this product is defective within the warranty period, carefully repack the unit, insure it and return it with proof of purchase, postage prepaid, to Shure Incorporated, Attention: Service Department, at the address below.

Outside of the United States, return the product to your dealer or Authorized Service Center. Addresses are listed on www.Shure.com or can be obtained by contacting Shure at the address listed below.

This warranty is not transferable. This warranty does not apply in cases of abuse or misuse of the product, use contrary to Shure’s instruction, ordinary wear and tear, an act of God, negligent use, purchase from a party other than Shure or a Shureauthorized reseller, unauthorized repair, or modification of the product.

ALL IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ARE HEREBY DISCLAIMED TO THE EXTENT PERMITTED UNDER APPLICABLE LAWS AND, TO THE EXTENT NOT PERMITTED, ARE HEREBY LIMITED TO THE EXTENT PERMITTED TO THE DURATION AND TERMS OF THIS WARRANTY. SHURE ALSO HEREBY DISCLAIMS ALL LIABILITY FOR INCIDENTAL, SPECIAL, OR CONSEQUENTIAL DAMAGES FOR ANY PURCHASER
ACQUIRING THIS PRODUCT, EXCEPT THAT THIS DOES NOT CONSTITUTE A DISCLAIMER OF RIGHTS GUARANTEED TO ANY “CONSUMER” UNDER THE AUSTRALIAN CONSUMER LAW.

This warranty gives purchasers of this product in Australia specific legal rights which are in addition to the rights and remedies of consumers under the Australian Consumer Law, which cannot be excluded or limited. If you are a “consumer” under the Australian Consumer Law, you are entitled to a replacement or refund for a major failure and for compensation for any other reasonably forseeable loss or damage. You are also entitled to have the goods repaired or replaced if the goods fail to be of acceptable quality and the failure does not amount to a major failure.

THIS WARRANTY SUPERSEDES ALL OTHER WARRANTIES THAT ARE ASSOCIATED OR INCLUDED WITH THIS PRODUCT, EXCEPT THAT ANY SOFTWARE CONTAINED IN OR PACKAGED WITH THIS PRODUCT IS EXCLUDED FROM THIS WARRANTY AND INSTEAD SHALL BE COVERED BY THE WARRANTY, IF ANY, PROVIDED IN SHURE’S END USER LICENSE AGREEMENT ACCOMPANYING SUCH SOFTWARE.

Service Centers

United States, Canada, Latin America, Caribbean
Shure Incorporated
Attn: Service Department
945 Chaddick Dr.

Wheeling, IL 60090-6449 U.S.A.

Europe, Middle East, and Africa
Shure Europe GmbH
Attn: Service
Jakob-Dieffenbacher-Str. 12,
75031 Eppingen, Germany

IndonesiaService Center Resmi:
Jakarta Hotline (021) 612 6388
Medan (061) 6612550
Surabaya (031) 5032219
Jogjakarta (0274) 371710
Denpasar (0361) 766788
Makasar (0411) 324652

In North America:

Custom Earphone Sleeves
Those who use earphones regularly for extended periods of time often find custom-fit molded sleeves offer the best comfort and sound isolation.Through a partnership between Shure Incorporated and Sensaphonics Hearing Conservation, custom sleeves are available for use with your Shure Sound Isolating Earphones.

Please contact Sensaphonics for more information.

Sensaphonics Hearing Conservation
660 N. Milwaukee Avenue
Chicago, IL 60622
Phone: In Chicago: 312-432-1714
Toll Free: 877-848-1714

E-mail: saveyourears@sensaphonics.com
http://www.sensaphonics.com

Read More About This Manual & Download PDF:

References

• In Ear Monitors - Custom Molded In Ear Monitors | Sensaphonics
• Shure: Microphones, Wireless microphones, in-ear monitoring, earphones, headphones - Shure USA
• Earphone Resource Center User Guide - Shure

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