Introduction
Welcome to the user manual for your Vieta Pro Silence 4 Bluetooth Headphones. These headphones are designed to provide a superior audio experience with hybrid noise cancellation, extended battery life, and versatile connectivity. Please read this manual carefully to ensure proper use and maintenance of your device.

Image: The Vieta Pro Silence 4 headphones in black, showcasing their sleek design.
What's in the Box
Upon unboxing your Vieta Pro Silence 4 headphones, please verify that all components are present:
- Vieta Pro Silence 4 Headphones
- User Manual
- Ear Cushions (pre-installed)
- Headband (pre-installed)
- Charging Cable (USB-C)
- AUX Cable

Image: The Vieta Pro Silence 4 headphones along with their USB-C charging cable and AUX cable.
Setup Guide
1. Charging the Headphones
Before first use, fully charge your headphones. Connect the provided USB-C cable to the charging port on the headphones and the other end to a USB power source (e.g., computer USB port, wall adapter). The LED indicator will show charging status and turn off when fully charged. A full charge provides up to 50 hours of battery life.

Image: A close-up of the Vieta Pro Silence 4 headphones highlighting the 50-hour battery life capability.
2. Powering On/Off
To power on, press and hold the Power button until the LED indicator lights up. To power off, press and hold the Power button until the LED indicator turns off.
3. Bluetooth Pairing
- Ensure the headphones are powered off.
- Press and hold the Power button for approximately 5 seconds until the LED indicator flashes blue and red, indicating pairing mode.
- On your device (smartphone, tablet, PC), enable Bluetooth and search for available devices.
- Select "Vieta Pro Silence 4" from the list of devices.
- Once connected, the LED indicator will turn solid blue.

Image: An illustration showing the Vieta Pro Silence 4 headphones connecting wirelessly to a smartphone via Bluetooth, emphasizing the 50-hour battery life.
4. Dual Pairing
The Silence 4 headphones support Dual Pairing, allowing connection to two devices simultaneously (e.g., phone and PC). To use this feature:
- Connect the headphones to the first device via Bluetooth as described above.
- Disable Bluetooth on the first device.
- Put the headphones back into pairing mode and connect to the second device.
- Re-enable Bluetooth on the first device. The headphones should now be connected to both devices, allowing seamless switching between audio sources.
Operating Instructions
Controls Overview
The Vieta Pro Silence 4 headphones feature intuitive controls located on the earcups. Refer to the diagram below for button placement (if available, otherwise describe):

Image: An infographic displaying key features of the Vieta Pro Silence 4 headphones, including Bluetooth 5.4, 50-hour battery life, low latency mode, USB-C charging, dual connection, foldable design, built-in microphone, and hybrid Active Noise Cancellation (-35dB).
Button/Action | Function |
---|---|
Power Button (Long Press) | Power On/Off, Enter Pairing Mode |
Volume Up (+) | Increase Volume |
Volume Down (-) | Decrease Volume |
Multi-function Button (Single Press) | Play/Pause Music, Answer/End Call |
Multi-function Button (Double Press) | Next Track |
Multi-function Button (Triple Press) | Previous Track |
ANC Button (Single Press) | Toggle Active Noise Cancellation On/Off |
ANC Button (Long Press) | Toggle Low Latency Mode On/Off (for gaming) |
Active Noise Cancellation (ANC)
The hybrid ANC feature significantly reduces ambient noise, allowing for a more immersive listening experience. Press the dedicated ANC button to activate or deactivate this function. When ANC is active, you will notice a reduction in external sounds.
Low Latency Mode
For gaming or video playback, activate the low latency mode by long-pressing the ANC button. This mode minimizes audio delay, ensuring synchronized sound with on-screen action.
Wired Connection (AUX-IN)
You can use the headphones with the provided AUX cable for a wired connection to devices without Bluetooth or when the battery is depleted. Simply plug one end of the AUX cable into the headphone's AUX-IN port and the other end into your audio source's 3.5mm jack.
Vieta Pro Audio App
Enhance your experience by downloading the Vieta Pro Audio App. The app provides additional controls, including a custom equalizer, and a "Find Device" feature. The app is compatible with both iPhone and Android devices.

Image: Screenshots of the Vieta Pro Audio App interface on a smartphone, showing equalizer settings and device location features.
Maintenance and Care
Proper maintenance ensures the longevity and optimal performance of your Vieta Pro Silence 4 headphones.
- Cleaning: Use a soft, dry cloth to clean the earcups and headband. Do not use abrasive cleaners or solvents.
- Storage: When not in use, store the headphones in a cool, dry place. The foldable design allows for compact storage.
- Battery Care: Avoid fully discharging the battery frequently. Charge the headphones regularly, even if not in constant use, to maintain battery health.
- Water Resistance: The headphones are designed with sweat resistance, making them suitable for workouts. However, they are not waterproof. Avoid submerging them in water or exposing them to heavy rain.
- Temperature: Do not expose the headphones to extreme temperatures (hot or cold).

Image: The Vieta Pro Silence 4 headphones highlighting features like sweat resistance, hybrid noise cancellation, powerful bass, and long battery life (up to 50 hours).
Troubleshooting
If you encounter issues with your headphones, refer to the following common problems and solutions:
Problem | Possible Solution |
---|---|
Headphones do not power on. | Ensure the battery is charged. Connect to a power source and try again. |
Cannot pair via Bluetooth. |
|
No sound or low volume. |
|
Sound distortion or intermittent connection. |
|
ANC not working effectively. |
|
Specifications
Key technical specifications for the Vieta Pro Silence 4 headphones:
- Model Name: Silence 4
- Model Number: VHP-NC420TB
- Connectivity Technology: Wireless (Bluetooth 5.4)
- Battery Life: Up to 50 hours
- Charging Port: USB-C
- Noise Cancellation: Hybrid Active Noise Cancellation (ANC)
- Microphone: Integrated
- Dual Pairing: Supported
- Low Latency Mode: Supported
- Impedance: 32 Ohm
- Headphone Form Factor: Over-Ear (Circumaural)
- Dimensions: 57 x 45 x 43 cm (package dimensions)
- Product Weight: 1.45 kg (package weight)
- Included Components: Headphones, User Manual, Ear Cushions, Headband, USB-C Cable, AUX Cable
- Compatible Devices: PC, Television, Android Phones, Gaming Consoles, iPhone
- Recommended Uses: Running, Exercise, Calls, Skateboarding, Snowboarding, Video Games
Warranty and Support
Vieta Pro products are designed for reliability and performance. For warranty information and technical support, please refer to the official Vieta Pro website or contact their customer service. Keep your purchase receipt as proof of purchase for warranty claims.
Manufacturer: FRAMASON AUDIO S.A.
For further assistance, visit the Vieta Pro Store on Amazon.