BOULT Z40 Ultra 35dB ANC Touch Control and Dual Device User Manual
- May 15, 2024
- BOULT
Table of Contents
BOULT Z40 Ultra 35dB ANC Touch Control and Dual Device
Know your Z40 Ultra
Sonic Core Dynamic™ – Hardware accelerated audio processing
- Accurate & superior Noise cancellation
- Low power consumption
- Intelligent voice recognition
- Exceptionally clear and detailed sound
rism Voice PLC™ – AI powered lag free conversation
- Immersive gaming
- Enhanced call quality & seamless virtual VoIP meetings
Dual Stream DSP™ – Simultaneous dual instruction audio processing
- Swift and synchronous audio transfer
- Adaptive audio equalization
Whats In the Box?
Charging Case
Earbuds
Type C Charging Cable
Extra pair of ear tips
Warranty Card
How to turn ON ANC steps card
Product specification
Product Name – TWS Bluetooth Headset
Model – Boult Audio AirBass
Speaker – 10mm
Bluetooth Range – ~10m/33ft (without any obstacles)
Earbuds Charging Time – 90 mins
Frequency Range – 20Hz – 20KHz
Technology – HFP/HSP/A2Dp/AVRCP
Inpu t – DC5V = 1A
How to use your Z40 Ultra?
Touch Controls
The Touch Area (Multi-Functional Touch Panel) is located in the upper part of the earbuds handle.
Wearing Earbuds
The earbud marked with L is worn on the left ear and the earbud marked with R is worn on the right ear
Power ON/OFF:
Power ON:
Auto: Open the charging case and take out the earbuds to Power ON.
Manually: Tap and hold the multifunction button (MFB) for 3 seconds.
Power OFF
Auto : Place both the earbuds in the charging case, close the lid.
Manually: Hold MFB for 5 seconds.
Noise Cancellation Modes: Press the right MFB for 2s to switch between ANC mode, Transparency mode or Normal mode
Play/Pause
Tap the MFB once| Voice Assistant –
Press the left MFB for 2s
---|---
Next Track
Double Tap the right MFB| Answer the Call
Tap the MFB once
Previous Track
Double Tap the left MFB| End Call/Reject
Double Tap the MFB
Volume +
Triple Tap the right MFB| Game/Music Mode
Tap the Left MFB four times
Volume –
Triple Tap the left MFB| EQ modes
Tap Right MFB four times
Pairing
Open the charging case, and take out the earbuds, the earbuds LEDs will start
flashing automatically until paired with a device.
Activate Bluetooth on the device, turn on Bluetooth, search for pairing name
“Boult Audio Airbass” and click on it.
Single Mode: When on dual mode, put one earbud into the charging case. Only
take one earbud out of the charging case and connect it.
Dual Device Connectivity
- Connect the Z40 Ultra with your first device. Once your Z40 Ultra is paired with the first device, turn off the Bluetooth of your first device.
- Now turn on the Bluetooth of your second device and follow the same steps to connect to your Z40 Ultra Bluetooth earbuds.
- Once Z40 Ultra is connected to your new device, turn on the Bluetooth of the first device.
- You will hear a sound again “Your earphones are now connected” which means both your devices are now connected to the Z40 Ultra earbuds.
- You can now enjoy music and take calls from both your connected devices on your Z40 Ultra earbuds.
Bluetooth Lost
Bluetooth Lost: Turn off mobile phone’s Bluetooth, earbuds will enter pairing
mode and can pair with other devices.
If the connection range is exceeded, the earbuds will enter back into
connection mode. In case of no connection within 5 minutes, the earbuds will
turn off.
Reset
If your earbuds fail to pair, or only one works, reset them.
- Delete all “Boult Audio Airbass” Bluetooth records on the phone and turn off Bluetooth.
- Put earbuds in the charging case and then take out to pairing modes, tap L&R 7 times simultaneously, hear “DU” prompt voice to clear all pairing.
- Put earbuds back into the charging case.
Voice Prompts
- You will hear ‘power on’ when the headset powers on.
- You will hear ‘power off’ when the headset powers off.
- You will hear ‘connected’ when the headset is paired.
- You will hear ‘low battery’ when the headset is in low power status
- You will hear ‘gaming mode’ when the headset is in gaming mode.
Maintenance Instructions
Warranty is valid/invalid only basis of the below criteria:
- The product should be purchased through legal and formal channels to be applicable for warranty.
- Damaging the product intentionally/unintentionally, or due to natural disasters, etc. is not covered in the warranty.
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