REAL-EL X-770 Portable Speaker User Manual
Model: EL121600004
1. Introduction
Thank you for choosing the REAL-EL X-770 Portable Speaker. This manual provides essential information for the safe and efficient operation of your device. Please read it thoroughly before use and retain it for future reference.
2. Safety Information
To ensure safe operation and prevent damage to your device, please observe the following precautions:
- Do not expose the speaker to water, moisture, or extreme temperatures.
- Avoid dropping or subjecting the speaker to strong impacts.
- Do not attempt to disassemble, repair, or modify the speaker yourself. Contact qualified service personnel for assistance.
- Keep the speaker away from heat sources, direct sunlight, and flammable materials.
- Use only the specified charging cable and power adapter (if included) to charge the device.
- Prolonged listening at high volume levels may cause hearing damage.
3. Package Contents
Carefully unpack the box and ensure all items are present:
- REAL-EL X-770 Portable Speaker Unit
- Charging Cable (USB-A to USB-C, or similar, specific type not provided)
- User Manual (this document)
Note: The product data mentioned "Camera Body" as an included component. This is likely an error. The actual included components for a portable speaker typically include the speaker unit and a charging cable.
4. Product Overview
Familiarize yourself with the main components of your REAL-EL X-770 Portable Speaker:

Image 1: Front view of the REAL-EL X-770 Portable Speaker. This image displays the speaker's compact design, the main speaker grille, and typical control buttons for power, volume, and playback.
- Power Button: Press and hold to turn the speaker ON/OFF.
- Volume Up/Next Track Button: Short press for volume up, long press for next track.
- Volume Down/Previous Track Button: Short press for volume down, long press for previous track.
- Play/Pause Button: Press to play or pause audio.
- Mode Button: Press to switch between input modes (e.g., Bluetooth, HDMI, AUX).
- Charging Port: For connecting the charging cable.
- HDMI Port: For audio input from compatible devices.
5. Setup
5.1 Charging the Speaker
- Connect the charging cable to the speaker's charging port.
- Connect the other end of the charging cable to a USB power adapter (not included) or a powered USB port.
- The charging indicator light will illuminate (color may vary) to show that the speaker is charging.
- Once fully charged, the indicator light may change color or turn off. Disconnect the speaker from the charger.
5.2 Powering On/Off
- To power ON: Press and hold the Power Button for approximately 3 seconds. An indicator light will turn on, and you may hear an audible prompt.
- To power OFF: Press and hold the Power Button for approximately 3 seconds. The indicator light will turn off, and you may hear an audible prompt.
6. Operating the Speaker
6.1 Bluetooth Pairing
- Ensure the speaker is powered ON and in Bluetooth pairing mode (usually indicated by a flashing blue LED). If not, press the Mode Button until Bluetooth mode is active.
- On your mobile device (smartphone, tablet, computer), enable Bluetooth and search for available devices.
- Select "REAL-EL X-770" from the list of found devices.
- Once paired, the speaker will emit a confirmation sound, and the Bluetooth indicator light will stop flashing and remain solid.
- You can now play audio from your device through the speaker.
6.2 HDMI Audio Input
The REAL-EL X-770 supports audio input via HDMI. This allows connection to devices such as TVs, gaming consoles, or media players that output audio through HDMI.
- Connect an HDMI cable (not included) from the audio output port of your source device to the HDMI input port on the REAL-EL X-770 speaker.
- Power on both the speaker and the source device.
- Press the Mode Button on the speaker until the HDMI input mode is selected.
- Ensure the audio output settings on your source device are configured to send audio via HDMI.
- Adjust the volume on both the speaker and the source device as needed.
6.3 Volume Control
- To increase volume: Short press the Volume Up/Next Track Button.
- To decrease volume: Short press the Volume Down/Previous Track Button.
6.4 Playback Control
- To play/pause: Press the Play/Pause Button.
- To skip to the next track: Long press the Volume Up/Next Track Button.
- To go to the previous track: Long press the Volume Down/Previous Track Button.
7. Maintenance
7.1 Cleaning
- Wipe the speaker's exterior with a soft, dry, lint-free cloth.
- Do not use abrasive cleaners, alcohol, benzene, or other chemical solvents, as these may damage the surface.
- Avoid getting moisture into any openings.
7.2 Storage
- When not in use for extended periods, store the speaker in a cool, dry place, away from direct sunlight and extreme temperatures.
- It is recommended to charge the speaker at least once every three months to maintain battery health.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Speaker does not power on. | Battery is depleted. | Charge the speaker fully. |
| No sound from the speaker. | Volume is too low or muted. Incorrect input mode selected. Device not paired (Bluetooth). | Increase volume on both speaker and source device. Ensure correct input mode (Bluetooth/HDMI). Re-pair Bluetooth device. |
| Cannot pair via Bluetooth. | Speaker not in pairing mode. Device too far. Interference. | Ensure speaker is in Bluetooth pairing mode. Move devices closer. Turn off other Bluetooth devices. |
| HDMI audio not working. | Incorrect mode. Cable issue. Source device settings. | Ensure speaker is in HDMI mode. Check HDMI cable connection. Verify source device audio output settings. |
9. Specifications
| Feature | Detail |
|---|---|
| Brand | REAL-EL |
| Model Name | X-770 |
| Model Number | EL121600004 |
| Connectivity Technology | HDMI, Bluetooth (assumed for portable speaker) |
| Product Dimensions | 25.4 x 5.08 x 6.86 cm |
| Item Weight | 5.29 Kilograms |
| Colour | multicolour |
| Batteries Included | No |
| Batteries Required | No |
Note: While the product data indicates no batteries are included or required, portable speakers typically feature an internal rechargeable battery for wireless operation. This specification might refer to the absence of user-replaceable or external batteries. The speaker is designed to be charged via its charging port. Specifications are subject to change without prior notice. For the most up-to-date information, please refer to the manufacturer's official website.
10. Warranty and Support
The REAL-EL X-770 Portable Speaker comes with a manufacturer's warranty. Please refer to the warranty card included with your purchase or visit the official REAL-EL website for detailed warranty terms and conditions.
For technical support, service inquiries, or further assistance, please contact REAL-EL customer service through their official channels. Contact information can typically be found on the product packaging or the manufacturer's website.





