Why is the JBL Endurance Peak 2 Right Earbud Not Working? That depends on many factors, such as how you handle charging, how much time you’ve had the earbuds, and your care about their cleanliness.
The most common ways of troubleshooting the JBL Endurance Peak 2 right earbud not working include resetting the Bluetooth connection and the earbuds themselves.
It is a lot of things just for a sudden problem, right? But there is nothing to worry about as we will walk you through all the fixing steps.
JBL Endurance Peak 2 Right Earbud Not Working – Reasons
It indeed is odd that the JBL Endurance Peak 2 right earbud won’t work. However, we can assure you that there are a few reasons for that, and a few are fixable.
Thus, you don’t need to contact JBL immediately. You also don’t need to throw the earbuds in the trash (if the warranty is over).
Understanding the reasons will help you troubleshoot them through the next section of this guide.
✅ Bluetooth Issue
Sometimes, there is an issue either on the earbuds’ end or the phone’s end when you activate Bluetooth.
That will make the audio sound bad or come out through one earbud only.
✅ Firmware Failure
Some modern earbuds run on firmware that improves the hardware’s potential. Sometimes the firmware fails or needs updating.
✅ Not Enough Battery
It is very common for earbuds to fail partially or entirely when not enough battery is available. That could cause only one side to work.
✅ Clogged Earbuds/Charging Case
It is common for earbuds to get dirty with ear wax. That wax can prevent sound from coming out correctly, or it could get in the charging case and stop proper charging.
How To Fix JBL Endurance Peak 2 Right Earbud
After checking the main reasons that could be behind this annoying issue, it is time we move on to what matters: fixing it.
Below we will suggest many corrective methods to get your earbuds to function normally again.
Note that you should also investigate and check your earbuds’ status. If you can assess its battery levels or cleanliness, you can skip to the correct solution.
Solution #1: Eliminate Bluetooth Issues
Although Bluetooth is a marvelous technology, it has its pitfalls. One of them is that sometimes Bluetooth will fail without apparent reason.
That failure could be as simple as failing to connect or a device connecting but not transmitting correctly.
First, do the following:
- Find your phone’s Bluetooth settings.
- Disconnect the earbuds from it.
- Turn the earbuds off.
- Deactivate the Bluetooth
- Activate Bluetooth again
- Turn the earbuds on
Since both devices are already paired, they should connect automatically. Then, test if the right earbud is working.
Reset The Bluetooth Connection
If that has still not solved the issue, try the following:
- Open the Bluetooth settings
- Find your earbud
- Hold on to its name
- Choose to unpair
- Turn the earbuds off
Wait a bit, and then put the earbuds on pairing mode again so you can connect to the phone.
Here is how:
- Hold the touch control on the right earbud for 5 seconds
- Release when the LED starts flashing white and blue
- Repeat the same process for the left earbud
- Open the phone’s Bluetooth settings
- Choose your earbuds from the device list
- Confirm to pair them
Note: If resetting the Bluetooth connectivity doesn't work, the issue is not regarding Bluetooth. Check the next solutions.
Solution #2: Charge The Earbuds Fully
Sometimes one of the earbuds is charged, but the other is not.
That could happen for three reasons:
- One of the charging pins is damaged
- The charging connector on the earbud is defective
- The earbud was not well positioned for charging
While the first two situations require you to contact JBL or buy new earbuds, the third option is easy to solve.
- Place the earbuds into the charging case
- Ensure the metal charging contacts on the earbuds face the charging pins in the case
- Close the charging case’s lid
- Use the USB cable to connect the charging case to a power source
- The case’s front LED lights indicate the charging status
- LED lights turn off when the earbuds are fully charged
Solution #3: Reset The Earbuds
Resetting the earbuds is a great option when some annoying problem is happening. There are two ways to do that: through the JBL app or the charging case.
Reset On The App
To reset through the app, you must have your earbuds already paired with the app.
If that is fine, then do the following:
- Open the JBL Headphone app
- Choose your earbuds
- Go to “Settings”
- Tap on “Reset”
Reset On The Case
It is very quick to reset the earbuds with the charging case’s help:
- Place the earbuds into the charging case
- Ensure they are charging
- Hold the button on the back of the charging case
- Release when the LED lights on the earbuds start flashing.
- The earbuds will then turn off, completing the reset process.
Solution #4: Update The Earbuds’ Firmware
The Endurance Peak 2 allows you to update its firmware so you can get rid of some errors.
For example, if one of the earbuds doesn’t have audio coming out or its audio is too low, that could be a firmware error.
Before updating your earbuds’ firmware, ensure its battery is full. Also, you should have paired the earbuds before updating their firmware.
Then do the following:
- Open the JBL app
- Tap on the gear icon
- Select “Product firmware update.”
- If available, a notification for a new firmware update will show up
- Click on it and follow the prompts to install it
- Reset the earbuds after the update is complete
It is common for a firmware update to take a few minutes before the earbuds are fully updated. Thus, don’t turn them off or disconnect them from the phone.
Solution #5: Clean Your Earbuds
Have you checked if your earbuds have ear wax on them? Even if we clean ourselves well, a bit of wax can get on the earbuds and accumulate over time.
Sometimes, it will clog the sound outputs, muffling the sound or blocking it entirely. That will make it look like the earbuds are not working anymore.
The first step is this:
- Remove the rubber tip of the earbud
- Blow into it to make any debris go away
- Take a good look at its status
- If still dirty, get a cotton swab and clean it smoothly
To ensure your device gets clean, you should clean with a cotton swab on both earbuds.
Tip: Moreover, check if there is a bit of dirt inside the charging case. Cleaning it with a cotton swab will not damage it. Rather it will prevent any future damage.
Solution #6: Check The Headphone Accommodation Settings
Here is a solution that fixes a rather rare issue. However, it is certainly a bug because it makes your earbuds work in a way they are not designed to.
JBL earbuds should work out of the box without any need for setup beyond the essential Bluetooth pairing.
However, if you’ve already tried all the above solutions, the last shot is checking the headphone accommodation settings.
- Go to Settings
- Select Accessibility
- Select Audio/Visual
- Find Headphone Accommodations
When you find the Headphone Accommodations option, it might either be toggled on or off.
If off, toggle it on and test your earbuds again.
Manage Further Accommodation Options
If it is toggled on, do the following:
- Scroll down to “Apply With”
- Check whether both Phone & Media are toggled on
- If toggled on, uncheck both features and then re-enable them
- If toggled off, toggle them on and check your earbuds’ functioning
Note: Depending on your phone's model, the Headphone Accommodation options might also show an audio balance slider.
Check if the slider is set not to give enough audio to one of the earbuds. If the slider is correctly set, then leave it be.
What We Learned
Why is the JBL Endurance Peak 2 Right Earbud Not Working? As you have seen, many factors can cause such a situation.
To get your earbuds to work correctly again, closely follow the guide above.
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