Introduction
Thank you for choosing the sonoro Primus Internet Radio with Bluetooth. This manual provides essential information for setting up, operating, and maintaining your device to ensure optimal performance and longevity. Please read it thoroughly before use.
Important Safety Instructions
- Power Source: Use only the specified power adapter. Ensure the voltage matches your local power supply.
- Ventilation: Do not block any ventilation openings. Maintain adequate space around the unit for proper airflow.
- Water and Moisture: Do not expose the unit to rain, moisture, dripping, or splashing. Keep liquids away from the device.
- Heat: Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.
- Cleaning: Unplug the unit before cleaning. Use a dry cloth only.
- Servicing: Do not attempt to service this product yourself. Refer all servicing to qualified service personnel.
- Laser Product: This product contains a Class 1 laser. Do not open the casing.
Package Contents
Please check that all items are present:
- sonoro Primus Internet Radio Unit
- Power Adapter
- Remote Control (with batteries)
- User Manual (this document)
Setup
1. Unpacking and Placement
Carefully remove the unit from its packaging. Place the sonoro Primus on a stable, flat surface, ensuring adequate ventilation around the device. Avoid placing it near strong magnetic fields or direct sunlight.
2. Connecting Power
Connect the provided power adapter to the AC IN port on the rear of the unit. Plug the other end into a suitable wall outlet. The unit will enter standby mode.

Image: Rear panel of the sonoro Primus, highlighting the power input and other connectivity options like AUX-in, Optical-in, and antenna connections.
3. Antenna Connection
For optimal FM and DAB+ reception, connect the included antenna to the appropriate antenna input on the rear panel. Extend the antenna fully for best signal quality.
4. Initial Power On
Press the Power button on the front panel or the remote control to turn on the unit. Follow the on-screen instructions for initial setup, including language selection and network configuration.

Image: Front view of the sonoro Primus, displaying the central screen, control knobs, and various buttons for media playback and source selection.
Operating Instructions
Basic Controls
The sonoro Primus features intuitive controls on the front panel and a comprehensive remote control. Key controls include:
- Power Button: Turns the unit on/off or into standby mode.
- Volume Knob: Adjusts the master volume level.
- Tune/Select Knob: Navigates menus and selects options.
- Source Buttons: Selects input sources (Internet Radio, DAB+, FM, Bluetooth, CD, AUX-in, Optical-in).
- Playback Controls: Play/Pause, Skip Forward/Backward for CD and streaming.
Internet Radio and Podcasts
Access over 25,000 internet radio stations and numerous podcasts worldwide. Ensure your device is connected to a stable Wi-Fi network. Navigate through the menu using the Tune/Select knob to find and save your favorite stations.
DAB+ and FM Radio
Switch to DAB+ or FM mode using the source buttons. The unit will automatically scan for available stations. You can manually tune or save presets for quick access to your preferred channels.
Bluetooth Connectivity
To connect a Bluetooth device (smartphone, tablet, laptop):
- Select the Bluetooth source on the sonoro Primus.
- Enable Bluetooth on your external device.
- Search for "sonoro Primus" in your device's Bluetooth settings and pair.
- Once connected, you can stream audio wirelessly to the unit.
CD Playback
Insert an audio CD into the CD slot. The unit will automatically detect and begin playback. Use the playback controls to manage your music.
Streaming Services (Spotify Connect, Amazon Music, Deezer)
The sonoro Primus supports various streaming services. To use Spotify Connect, Amazon Music, or Deezer, ensure your device is connected to Wi-Fi and you have an active subscription to the respective service. Follow the instructions within the service's app to connect to your sonoro Primus.
AUX-in and Optical-in
Connect external audio devices using the AUX-in (3.5mm jack) or Optical-in ports on the rear panel. Select the corresponding source on the unit to play audio from these inputs.
Maintenance
Cleaning the Unit
To clean the exterior of the unit, unplug it from the power source. Use a soft, dry, lint-free cloth. Do not use abrasive cleaners, waxes, or solvents as they may damage the finish.
CD Player Care
Handle CDs by their edges to avoid fingerprints. If a CD is dirty, wipe it gently with a soft, dry cloth from the center outwards. Do not use solvents or abrasive cleaners on CDs.
Software Updates
Periodically check for software updates via the unit's menu (if available). Updates can improve performance and add new features. Ensure a stable internet connection during updates.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Power cable not connected; power outlet faulty. | Check power cable connection; try a different outlet. |
| No sound | Volume too low; wrong input source selected; mute activated. | Increase volume; select correct input source; deactivate mute. |
| Poor radio reception | Antenna not properly connected or extended; interference. | Adjust antenna position; move unit away from other electronic devices. |
| Bluetooth pairing failed | Device too far; Bluetooth not enabled on external device; unit not in pairing mode. | Ensure devices are close; enable Bluetooth; put sonoro Primus in pairing mode. |
| CD not playing | CD inserted incorrectly; CD is dirty or scratched; unsupported disc format. | Reinsert CD correctly; clean or replace CD; ensure it's an audio CD. |
| Wi-Fi connection issues | Incorrect password; router too far; network interference. | Verify Wi-Fi password; move unit closer to router; restart router. |
If the problem persists, please contact customer support.
Specifications
- Brand: sonoro
- Model: e60a53a9-4d44-4a55-b129-3386e8f3e186
- Tuner Technology: FM, DAB+
- Audio Output Mode: Stereo
- Supported Audio Formats: MP3, AAC, WAV
- Speaker Configuration: 2.1 (Two coaxial speakers and a powerful 5.25 inch subwoofer)
- Connectivity: Optical, Auxiliary, Bluetooth, WLAN
- Compatible Devices: Laptop, MP3 player, Smartphone, Tablet
- Power Source: Corded Electric
- Display Type: LCD or LED
- Included Components: Power adapter, Remote control (with Lithium-metal batteries)
- Dimensions (Package): 52.6 x 33.2 x 27.4 cm
- Weight (Package): 9.45 kg
- Color: Chalk Grey (Note: Other colors may be available for different models)

Image: Underside of the sonoro Primus, revealing the integrated 5.25-inch subwoofer for enhanced bass performance.
Warranty and Support
The sonoro Primus comes with a standard manufacturer's warranty. Please refer to the warranty card included in your package for specific terms and conditions. For technical support, service, or warranty claims, please contact sonoro audio GmbH customer service through their official website or the contact information provided with your purchase.
Manufacturer: sonoro audio GmbH
First Available Date: January 2, 2023





