1. Introduction
This manual provides detailed instructions for the setup, operation, and maintenance of your LEMEGA IR4S Stereo WIFI Internet Radio. Please read this guide thoroughly to ensure proper use and to maximize your listening experience.
The LEMEGA IR4S is a versatile audio device offering multiple listening options, including Internet Radio, DAB/DAB+ digital radio, FM radio, Spotify Connect, and Bluetooth connectivity. It features stereo sound output and can be powered by mains electricity or AA batteries for portable use.

Image 1.1: Front view of the LEMEGA IR4S Stereo WIFI Internet Radio, black with a central color display and control buttons.
2. Key Features
- Internet Radio: Access over 30,000 radio stations worldwide.
- DAB/DAB+ Digital Radio: Enjoy high-quality digital radio broadcasts.
- FM Radio: Tune into traditional analog FM stations.
- Spotify Connect: Stream millions of songs directly from your Spotify account.
- Bluetooth Connectivity: Wirelessly stream audio from your smartphone or other Bluetooth-enabled devices.
- Dual Alarms: Set two independent alarms for waking up.
- 60 Presets: Store and quickly access your favorite radio stations.
- Portable Design: Compact and lightweight, operable with AA batteries for on-the-go listening.
- Stereo Sound: Equipped with 2 x 2.5-inch full-range drivers for immersive audio.

Image 2.1: The LEMEGA IR4S radio highlighting its core functionalities.
3. Setup Guide
3.1 Unpacking and Initial Inspection
Carefully remove the radio from its packaging. Ensure all components are present: the LEMEGA IR4S radio, power adapter, and quick start guide. Inspect the unit for any signs of damage.
3.2 Power Connection
Connect the supplied power adapter to the DC 5V input port on the back of the radio and then plug it into a wall outlet. Alternatively, for portable use, insert 4 x AA batteries (not included) into the battery compartment on the rear of the unit.
3.3 Antenna Setup
Extend the telescopic antenna fully for optimal DAB/DAB+ and FM radio reception.
3.4 Network Connection (WIFI)
- Upon first power-on, the radio will guide you through the initial setup wizard.
- Select your preferred language.
- The radio will scan for available Wi-Fi networks. Select your network from the list.
- Enter your Wi-Fi password using the control knob and buttons.
- Once connected, the radio will automatically set the time and date via the internet.
3.5 Automatic Station Scan
After network setup, the radio may automatically scan for DAB/DAB+ and FM stations. If not, navigate to the respective mode and initiate a scan from the menu.

Image 3.1: Rear view of the LEMEGA IR4S, detailing connection ports and battery access.
4. Operating Instructions
4.1 Switching Modes
Press the SOURCE button to cycle through available modes: Internet Radio, DAB, FM, Bluetooth, Spotify Connect.
4.2 Internet Radio
In Internet Radio mode, you can browse stations by location, genre, or search. Use the control knob to navigate menus and select stations.

Image 4.1: The LEMEGA IR4S displaying Internet Radio options.
4.3 DAB/DAB+ and FM Radio
Select DAB or FM mode. The radio will display available stations. Use the control knob to tune to a station. For DAB, station information (e.g., song title, artist) may be displayed.
4.4 Saving and Recalling Presets
To save a station: Tune to the desired station, then press and hold one of the preset buttons (1, 2, 3+) until the display confirms the save. To recall a station, simply press the corresponding preset button.
4.5 Bluetooth Pairing
- Switch the radio to Bluetooth mode. The display will show 'Pairing'.
- On your Bluetooth-enabled device (e.g., smartphone), search for 'LEMEGA IR4S' in the Bluetooth settings.
- Select the radio to pair. Once connected, you can stream audio from your device to the radio.
4.6 Spotify Connect
Ensure your radio and smartphone/tablet are connected to the same Wi-Fi network. Open the Spotify app on your device, play a song, and select the 'Devices Available' icon. Choose your LEMEGA IR4S from the list to stream music.

Image 4.2: Streaming music via Spotify Connect to the LEMEGA IR4S.
4.7 Alarm Clock Function
Access the alarm settings through the radio's menu. You can set two independent alarms, choosing the alarm source (buzzer, FM, DAB, Internet Radio) and volume.
4.8 Headphone Output
Connect standard 3.5mm headphones to the headphone jack on the rear of the unit for private listening. The internal speakers will be muted automatically.
4.9 Portable Use
When powered by AA batteries, the radio offers portability. Battery life will vary depending on usage and volume levels.

Image 4.3: The LEMEGA IR4S in various usage scenarios, highlighting its versatility.
5. Maintenance
5.1 Cleaning
To clean the radio, use a soft, dry cloth. Do not use abrasive cleaners, waxes, or solvents as these can damage the surface. Ensure the unit is unplugged before cleaning.
5.2 Battery Replacement
If using batteries, replace all four AA batteries when the low battery indicator appears or when the radio no longer powers on without the adapter. Ensure correct polarity when inserting new batteries.
5.3 Software Updates
Periodically check the radio's system settings for available software updates. Updates can improve performance and add new features. Follow the on-screen instructions carefully during any update process.
6. Troubleshooting
If you encounter issues with your LEMEGA IR4S radio, please refer to the following common problems and solutions:
- No Power:
- Ensure the power adapter is securely connected to both the radio and a working wall outlet.
- If using batteries, check that they are correctly inserted and not depleted.
- No Sound:
- Check the volume level.
- Ensure headphones are not connected if you intend to use the speakers.
- Verify the selected source is active and broadcasting.
- Poor Radio Reception (DAB/FM):
- Fully extend the telescopic antenna.
- Try repositioning the radio or the antenna.
- Perform a new station scan.
- Internet Radio/Spotify Connect Issues:
- Ensure the radio is connected to a stable Wi-Fi network.
- Check your internet connection.
- Verify that the radio and your control device (for Spotify Connect) are on the same Wi-Fi network.
- Restart your Wi-Fi router and the radio.
- Display Too Bright:
- Check the system settings for display brightness adjustments.
- Difficulty with Presets:
- To save a preset, press and hold the desired preset button. A quick press will recall.
For further assistance, consider using the UNDOK or Oktiv mobile applications for remote control and easier navigation, which can sometimes resolve interface-related difficulties.
7. Specifications
| Feature | Specification |
|---|---|
| Brand | LEMEGA |
| Model | IR4S |
| Product Dimensions | 23.5 x 11.5 x 7.7 cm |
| Weight | 866 grams |
| Hardware Interface | USB |
| Tuner Technology | DAB/DAB+ |
| Compatible Peripherals | Headphones |
| Additional Features | Portable |
| Included Components | Adapter, Quick Start Guide |
| Screen Technology | LCD |
| Power Type | Battery powered (AA batteries required, not included) |
| Frequency | 87.5 MHz (FM) |
| Connectivity Technology | Bluetooth |
| Supported Radio Bands | DAB/DAB+, FM |
| Recommended Uses | Music, News |
8. Warranty and Support
For warranty information and customer support, please refer to the documentation included with your product or visit the official LEMEGA website. Keep your proof of purchase for warranty claims.
If you require technical assistance or have questions not covered in this manual, please contact LEMEGA customer service through their official channels.





