audio-technica AT-WLA1 Wireless Headphone Adapter Cable User Manual

: June 13, 2024
: Audio-Technica

audio-technica AT-WLA1 Wireless Headphone Adapter Cable

Product Information

Product Name: AT-WLA1 Wireless Headphone Adapter Cable
Manufacturer: Audio-Technica
User Manual: https://manual-hub.com/

Product Usage Instructions

Safety Precautions

Before using the product, please read through the Quick Start Guide and Caution Guide provided in the user manual to ensure safe usage.
observe all warnings and cautions mentioned in the user manual while using the product to ensure safety.

Cautions for the Product

The product is equipped with a rechargeable lithium polymer battery. Follow the guidelines provided for handling and charging the battery.

FCC Notice (for customers in the USA)
Warning: This device complies with Part 15 of the FCC Rules. It must not cause harmful interference and should accept any interference received, including interference that may cause undesired operation.
Caution: Any changes or modifications not approved in the manual may void your authority to operate this equipment.
RF Exposure Statement: This transmitter should not be co-located or operated with any other antenna or transmitter used in other systems. It complies with FCC radiation exposure limits and has low levels of RF energy.

IC Statement (for customers in Canada)
This device complies with INDUSTRY CANADA R.S.S. 247. It must not cause harmful interference and should accept any interference received, including interference that may cause undesired operation. To reduce potential radio interference, use an antenna of a type and maximum gain approved for the transmitter by Industry Canada. This device complies with RSS-102 radiation exposure limits set forth for an uncontrolled environment.

Notes on Use

The effective communication range of this product may vary based on obstructions and radio wave conditions. For optimal performance, keep the product as close as possible to the Bluetooth device.
Avoid placing obstacles between the product’s remote and the Bluetooth device to minimize noise and sound disruptions.

Part Names and Functions

Left/Right (L/R) Indicator: Indicates the left and right sides of the product.
Connector Bushing: Connects the headphone adapter cable to the audio device.
Power Supply/Control Button: Used to turn the power supply on/off, play/pause music and videos, and answer/end phone calls.
Volume Buttons: Adjust the volume of the audio playback.
Indicator Lamp: Displays the operating status and battery level of the product.

Introduction

Thank you for purchasing this Audio-Technica product. Before using the product, please read through the Quick Start Guide and Caution Guide, as well as this user manual when necessary, to ensure that you will use the product correctly.

Safety precautions

Although this product was designed to be used safely, failing to use it correctly may result in an accident. To ensure safety, observe all warnings and cautions while using the product.

Cautions for the product

Do not use the product near medical equipment. Radio waves may affect cardiac pacemakers and medical electronic equipment. Do not use the product inside medical facilities.
When using the product in aircraft, follow airline instructions.
Do not use the product near automatic control devices such as automatic doors and fire alarms. Radio waves may affect electronic equipment and cause accidents due to malfunction.
Do not disassemble, modify or attempt to repair the product to avoid electric shock, malfunction or fire.
Do not subject the product to strong impact to avoid electric shock, malfunction or fire.
Do not handle the product with wet hands to avoid electric shock or injury.
Disconnect the product from a device if the product begins to malfunction, producing smoke, odor, heat, unwanted noise or showing other signs of damage. In such a case, contact your local Audio-Technica dealer.
The product is not waterproof. Do not allow the product to get wet to avoid electric shock or malfunction.
Do not put foreign matter such as combustible materials, metal, or liquid in the product.
Do not cover the product with a cloth to avoid fire or injury by overheating.
Follow applicable laws regarding mobile phone and headphone use if using headphones while driving.
Do not use the product in places where the inability to hear ambient sound presents a serious risk (such as at railroad crossings, train stations, and construction sites).
Adjust the volume to a level where you can still hear background sound and monitor the area around you while listening to music.
When charging, make sure to use the included USB charging cable.
Do not charge with devices that have quick-charge functionality (with a voltage of 5 V or more). Doing so may cause the product to malfunction.
To prevent damage to your hearing, do not raise the volume too high. Listening to loud sounds for an extended period may cause temporary or permanent hearing loss.
Discontinue use if skin irritation results from direct contact with the product.
If you begin to feel unwell while using the product, discontinue use immediately. Remove the headphones connected to this product from your ears.

Cautions for rechargeable battery
The product is equipped with a rechargeable battery (lithium polymer battery).

If battery fluid gets into your eyes, do not rub them. Rinse thoroughly with clean water such as tap water and consult a doctor immediately.
If battery fluid leaks, do not touch the fluid with bare hands. If fluid remains inside the product, it may cause malfunction. If battery fluid leaks, contact your local Audio-Technica dealer.
- If fluid gets in your mouth, gargle thoroughly with clean water such as tap water and consult a doctor immediately.
- If your skin or clothing comes in contact with fluid, immediately wash the affected skin or clothing with water. If you experience skin irritation, consult a doctor.
To avoid leakage, generation of heat or explosion:
- Never heat, disassemble or modify the battery, nor dispose of it in a fire.
- Do not attempt to pierce with a nail, hit with a hammer or step on the battery.
- Do not drop the product or subject it to a strong impact.
- Do not get the battery wet.
Do not use, leave or store the battery in the following places:
- Area exposed to direct sunlight or high temperatures and humidity
- Inside of a car under the blazing sun
- Near heat sources such as heat registers
Charge only with the included USB cable to avoid malfunction or fire.
The internal rechargeable battery of this product cannot be replaced by the user. The battery may have reached the end of its service life if the usage time becomes significantly shorter even after the battery has been fully charged. If this is the case, the battery needs to be repaired. Contact your local Audio-Technica dealer for repair details.
When the product is disposed of, the built-in rechargeable battery needs to be discarded properly. Contact your local Audio-Technica dealer to learn how to properly dispose of the battery.

FCC Notice

For customers in the USA
Warning
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, and
this device must accept any interference received, including interference that may cause undesired operation.

Caution
You are cautioned that any changes or modifications not expressly approved in this manual could void your authority to operate this equipment.
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.

RF Exposure Statement
This transmitter must not be co-located or operated in conjunction with any other antenna or transmitter used in other systems. This device complies with FCC radiation exposure limits set forth for an uncontrolled environment and meets the FCC radio frequency (RF) Exposure Guidelines. This equipment has very low levels of RF energy that is deemed to comply without testing of specific absorption rate (SAR).

For customers in Canada
IC statement
CAN ICES-3 (B)/NMB-3(B)
This device complies with INDUSTRY CANADA R.S.S. 247.
Operation is subject to the following conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
Under Industry Canada regulations, this radio transmitter may only operate using an antenna of a type and maximum (or lesser) gain approved for the transmitter by Industry Canada. To reduce potential radio interference to other users, the antenna type and its gain should be so chosen that the equivalent isotropically radiated power (e.i.r.p.) is not more than that necessary for successful communication.
This device complies with RSS-102 radiation exposure limits set forth for an uncontrolled environment.

Notes on use

Before using, be sure to read the user manual of both the headphones and the device to be connected.
Audio-Technica will not be liable in any way for any loss of data in the unlikely event that such losses should occur while using the product.
On public transportation or in other public places, keep the volume low so as not to disturb other people.
Minimize the volume on your device before connecting the product.
Do not subject the product to a strong impact.
Do not store the product in direct sunlight, near heating devices, or in hot, humid, or dusty places. Additionally, do not allow the product to get wet.
When the product is used for a long time, the product may become discolored due to ultraviolet light (especially direct sunlight) and wear.
Make sure to hold the plug when connecting and disconnecting this product or the USB charging cable. The USB charging cable may become severed or an accident may occur if you pull on this product or the cable itself.
Do not touch this product’s connector directly. Doing so may lead to contact failure.
When you are not using the USB charging cable, disconnect it from the product.
When not using this product, store it in the included pouch.
If the product is placed in a bag while the USB charging cable is still connected, the USB charging cable may become caught, severed, or broken.
Turn this product off before connecting or disconnecting the headphones.
Do not connect or disconnect the headphones while the USB charging cable is connected to this product.
Leave the headphones connected to this product while charging it and while this product is not in use. Leaving the connector open may result in malfunctions.
This product can be used to talk on the phone only when using a mobile telephone network. Support for telephony apps that use a mobile data network is not guaranteed.
If you use the product near an electronic device or transmitter (such as a mobile phone) which is not connected to the product, unwanted noise may be heard. In this case, move the product away from the electronic device or transmitter.
If you use the product near a TV or radio antenna, noise may be seen or heard in the television or radio signal. In this case, move the product away from the TV or radio antenna.
To protect the built-in rechargeable battery, charge it at least once every 6 months. If too much time passes between charges, the life of the rechargeable battery may be reduced, or the rechargeable battery may no longer be able to be charged.

For a more comfortable Bluetooth® communication experience

The effective communication range of this product varies depending on obstructions and radio wave conditions. For a more enjoyable experience, please use the product as close as possible to the Bluetooth device. To minimize noise and sound disruptions, avoid placing your body or other obstacles between the product’s remote and the Bluetooth device.

Part names and functions

Accessories

Charging the battery

Fully charge the battery when using for the first time.
When the rechargeable battery is running low, the product will sound 2 sets of 2 beeps through the headphones, and an indicator lamp will flash in red. When these beeps sound, charge the battery.
It takes about 3 hours to charge the battery fully. (This time may vary depending on usage conditions.)
While the battery is charging, the product’s Bluetooth connection remains disabled and therefore the product cannot be used.

Open the battery jack cover.
Connect the included USB charging cable (micro USB Type B side) to the battery jack.
- The included USB charging cable is designed for exclusive use with the product. Do not use other cables to charge the product.
- When inserting the USB charging cable into the USB port or battery jack, check that the jack is facing in the correct direction before inserting it directly (horizontally).
Connect the included USB charging cable (USB Type A side) to the computer to start charging.
- During charging, the indicator lamp lights as follows: *
  Lit in red: When charging
  Lit in blue: Charging complete

It may take several seconds for the indicator lamp to light. 4. When charging is complete, disconnect the USB charging cable (USB Type A side) from the computer. 5. Disconnect the USB charging cable (Micro USB Type B) from the battery jack and close the cover firmly.

Attaching the product

Attaching the product to the headphones
Attach this product to a pair of headphones. For details on the recommended headphones, see “Recommended headphone models” (p. 14).

Turn this product off, remove the USB charging cable, and then connect or disconnect the headphones.

Attaching the product
Align the “L” (LEFT) and “R” (RIGHT) headphones with this product’s corresponding cable connectors and then insert the cables into the headphones as shown in the figure until you hear a click.

Removing the product
Holding the bushing of this product’s cable connector, pull straight in the direction of the arrow to remove the product.

There is a delicate pin on the headphone side of the connecting part. Exercise caution when handling this part. If you pull on or insert this part at an angle, the pin may bend, which may result in malfunctions.
Do not touch this product’s connectors directly. Doing so may lead to contact failure.

Attaching the ear hooks (included for headphones that wrap around the ear)

For headphones that wrap around the ear, you can attach the product to the ear hooks after attaching the product to the headphones.
Check the sides of the ear hooks marked “L” (LEFT) and “R” (RIGHT), and then attach the “L” ear hook to the “L” side of the product and the “R” ear hook to the “R” side of the product.
Insert the product’s bushing and cable into the groove on the inside of the ear hook.

Connecting via Bluetooth wireless technology

About pairing
To connect the product to a Bluetooth device, the product needs to pair (register) with the device. Once they are paired, you do not need to pair them again.
However, you will need to pair again in the following cases:

If the product is deleted from the Bluetooth device’s connection history.
If the product is sent out for repair.
If nine or more devices are paired.
(This product can save the pairing information of up to eight devices. If you attempt to pair a new device when eight devices have already been paired, the pairing information of the new device will overwrite the information of the device within the eight paired devices that has the oldest date and time for connection to the product.)

Pairing a Bluetooth device

Read the user manual for the Bluetooth device.
Place the device within 1 m (3.3′) of the product to perform pairing correctly.
To confirm the progress of the pairing process, wear the product while performing this procedure and listen for the confirmation tone.

Starting with the product turned off, slide the power switch to the “ON” position.
- The indicator lamp will light in purple, and then flash in red and blue.
Use your Bluetooth device to begin the pairing process and search for the product. When your Bluetooth device finds the product, “AT-WLA1” will be displayed on the device.
- For information about using your Bluetooth device, refer to the device’s user manual.
Select “AT-WLA1” to pair the product and your Bluetooth device.
- Some devices may ask for a passkey. In this case, enter “0000”. The passkey may also be called a passcode, PIN code, PIN number, or password.
- The product sounds a confirmation tone when pairing is complete.

Using the product

The product can use Bluetooth wireless technology to connect to your device and play music, receive phone calls, etc. Use the product for whichever of these purposes suits your needs.
Note that Audio-Technica cannot guarantee the operation of displays, such as the battery level display, or applications via Bluetooth devices.

Power supply ON/OFF

Power supply|

Power switch operation

|

Indicator lamp

---|---|---

ON

|

Press and hold

| |

Lights in purple, then flashes in red and blue12

OFF

|

Lights in purple, then turns off*2

It may take several seconds for the indicator lamp to light.
For details, please refer to “Indicator lamp display” (p. 12).

Wearing the product

Insert the side of the product marked “L” (LEFT) into the left ear and the side marked “R” (RIGHT) into the right ear. Wear the product so that the battery case rests on your back.
Attach the included clip to the battery case as shown in the figure. It can be used by affixing to a shirt collar, etc.*
Do not forcibly attach the clip to something that is too thick for it. Doing so may damage the clip
- For headphones that wrap around the ear, orient the bushing so that it faces up, and then insert the headphone part into your ear. Wrap the wire around the back of your ear as shown in the figure.

Listening to audio

To connect for the first time, pair the product and your device by Bluetooth wireless technology. If you have already paired the product and your Bluetooth device, turn on the Bluetooth device’s Bluetooth connection and turn on the product.
Use your Bluetooth device to start playback, referring to the device’s user manual as necessary.

Power supply / Control button

Press	Play/pause	Plays or pauses music and video playback.*1

Volume buttons

+ button

– button

| Press| Volume up| Increases the volume by 1 level.*2
---|---|---|---
Press and hold

(for about 2 seconds) Press

Press and hold

(for about 2 seconds)

|

Skip forward Volume down

Skip back

|

Plays the next track.*1

Decreases the volume by 1 level.2 Plays the previous track.1

Some controls may not be available for music and video playback on some devices.
A confirmation tone is heard each time you press the button. A low beep is heard when the volume is at the maximum or minimum level.
• The volume control of some devices may not work well with the product.

Talking on the phone

If your Bluetooth device supports telephone features, you can use the product to talk on the phone.
When your Bluetooth device receives a phone call, the product sounds a ring tone.
If a call is received while you are listening to music, music playback is paused. When you finish the call, music playback resumes.*1

When	Operation	Function

Receiving a call

| Press the power supply/control button.| Answers the call.
Press and hold the power supply/control button (for about 2 seconds).|

Rejects the call.

Talking on a call

| Press the power supply/control button.| Ends the call.

Press and hold the power supply/control button (for about 2 seconds).*2

| Each time you press and hold the button (about 2 seconds), you switch the call to your mobile phone or to the product.*2
Press a volume button (+ or -).| Adjusts the volume (+ or -) of the call.

Depending on your Bluetooth device, music playback may not resume.
When you hear a confirmation tone, release the power supply/control button.
• The phone call controls explained above may not be available on some smartphones.

Auto power off function
The product automatically turns off after 5 minutes of not being connected to a device that has its power turned on.

Reset function

If the product does not work or other malfunctions occur, refer to “Charging the battery” (p. 5) and connect the USB charging cable. Make sure the cable is carrying power. Disconnecting and then reconnecting the USB charging cable will reset the product and should resolve any problem you are experiencing. If the problem persists, please contact your local Audio-Technica dealer. Resetting the product will not change any of your settings (pairing information, volume setting, etc.).
The SBC priority connection (p. 12) will be disconnected.

Cleaning

Get into the habit of regularly cleaning the product to ensure that it will last for a long time. Do not use alcohol, paint thinners, or other solvents for cleaning purposes.

If the product’s connectors, bushings, remote, and battery case are dirty, wipe them clean with a dry cloth.
Wipe away any perspiration or dirt from the cable with a dry cloth immediately after use. Failure to clean the cable may cause it to deteriorate and harden over time, resulting in malfunction.

Troubleshooting

For details about how to operate your Bluetooth device, refer to the device’s user manual.
If the problem still remains, reset the product. To reset the product, refer to the “Reset function” (p. 10).

SBC priority connections (for when sound is delayed significantly)

When the connection codec is AAC, significant sound delays can be alleviated by changing the connection codec to SBC, which comes standard with Bluetooth devices.*1
Connecting to a SBC priority connection
When the pairing with a Bluetooth device has been completed

Turn the product power to “ON”.
With music or video paused, press and hold the + and – volume buttons simultaneously (for about 2 seconds).
- If the indicator lamp flashes in purple and then changes to flashing three times in blue, the settings are complete.
- After the settings are complete, this product will automatically be connected to the Bluetooth device for which pairing was completed.*2

Before pairing with a Bluetooth device

Turn the product power to “ON”.
With the indicator lamp showing the search for device status, press and hold the + and – volume buttons simultaneously (for about 2 seconds).
- The indicator lamp will flash in purple.
With the indicator lamp flashing in purple, refer to steps 2 and 3 of “Pairing a Bluetooth device” (p. 7) to perform the pairing operation.
- If the indicator lamp changes to flashing three times in blue, the settings are complete.
- After pairing via an SBC priority connection is complete, the only available connection codec will be SBC. Connections using other codecs will not be possible.*3
- For details on the flashing and lit displays of the indicator lamp, refer to “Indicator lamp display” below.

1 Depending on the usage environment, changing to an SBC priority connection may not alleviate sound delays.
2 If a connection is not made automatically, refer to “Pairing a Bluetooth device” (p. 7) and perform pairing operations again.
3 Turning the power off and then turning it back on will result in a return to a normal connection and enable connections using other codecs. Please connect using an SBC priority connection when necessary.

Indicator lamp display

The indicator lamp of the product indicates the product’s status as explained below.

Specifications

The above figures depend on operating conditions.
For product improvement, the product is subject to modification without notice.
- The Bluetooth® word mark and logos are owned by Bluetooth SIG, Inc. and any use of such marks by Audio-Technica Corporation is under license. All other trademarks are the property of their respective owners.
- “AAC” logo is a trademark of Dolby Laboratories.
- Qualcomm is a trademark of Qualcomm Incorporated, registered in the United States and other countries, used with permission. aptX is a trademark of Qualcomm Technologies International, Ltd., registered in the United States and other countries, used with permission.

Recommended headphone models
For the most recent information on the recommended headphone models, see the following website. www.audio-technica.co.jp/atj/support/hdc/

Audio-Technica Corporation
2-46-1 Nishi-Naruse, Machida, Tokyo 194-8666, Japan
©2017 Audio-Technica Corporation
Global Support Contact: www.at-globalsupport.com