1. Introduction
Thank you for purchasing the XDOBO Home 1978 II 80W Sound Bar. This sound bar is designed to enhance your home entertainment experience with powerful audio and versatile connectivity options. Please read this manual carefully before use to ensure proper setup and operation.
2. Product Overview
2.1 Key Features
- High Power Output: 80W for a rich and immersive sound experience.
- Multiple Sound Units: Equipped with 4 full-range speaker units and 2 airducts.
- Versatile Connectivity: Supports HDMI (ARC), Optical, USB 2.0, Coaxial, and Bluetooth 5.3.
- Cinematic Experience: Designed to deliver 3D surround sound and HIFI-level audio quality.
- Adjustable Bass: Customize bass levels via the remote control.
- Wall Mountable: Flexible placement options.
2.2 Components and Controls
The XDOBO Home 1978 II Sound Bar includes the main sound bar unit and a remote control.

Figure 1: Front and Rear View of the Sound Bar

Figure 2: Sound Bar Side Panel Controls
The side panel typically includes buttons for Power, Volume Up/Down, and Input Source selection. The remote control provides full functionality including power, volume, input selection, and bass adjustment.
2.3 Input/Output Ports

Figure 3: Rear Input Panel
The rear panel of the sound bar features the following ports:
- HDMI (ARC): For connecting to a TV with Audio Return Channel support.
- Optical (OPT): For digital audio connection from a TV or other device.
- USB 2.0: For playing audio from a USB storage device.
- Coaxial (COAX): For digital audio connection.
- AUX: For analog audio connection.
- AC Power Input: For connecting the power adapter.
3. Setup
3.1 Placement
The sound bar can be placed on a flat surface, such as a TV stand, or mounted on a wall. Ensure it is positioned centrally below your TV for the best audio experience.

Figure 4: Sound Bar Placement Example
3.2 Connecting to Devices
Choose one of the following methods to connect your sound bar to your audio source:
- HDMI (ARC): Connect an HDMI cable from the HDMI (ARC) port on the sound bar to the HDMI (ARC) port on your TV. This allows audio to be sent from the TV to the sound bar and often enables TV remote control of the sound bar's volume.
- Optical: Connect an optical cable from the OPT port on the sound bar to the optical output port on your TV or other audio device.
- Coaxial: Connect a coaxial cable from the COAX port on the sound bar to the coaxial output port on your TV or other audio device.
- AUX: Connect a 3.5mm audio cable from the AUX port on the sound bar to the headphone jack or audio output on your device.
- USB: Insert a USB flash drive into the USB 2.0 port to play audio files directly.
- Bluetooth: For wireless connection, refer to the 'Operating Instructions' section for Bluetooth pairing.
3.3 Power Connection
Connect the provided AC power adapter to the AC power input port on the sound bar, then plug the adapter into a wall outlet (100-240V AC, 50/60Hz).
4. Operating Instructions
4.1 Power On/Off
Press the Power button on the sound bar or the remote control to turn the unit on or off.
4.2 Input Source Selection
Press the 'Input' or 'Source' button on the sound bar or remote control repeatedly to cycle through the available input modes: HDMI (ARC), Optical, USB, Coaxial, AUX, and Bluetooth.
4.3 Volume Control
Use the 'Volume Up' and 'Volume Down' buttons on the sound bar or remote control to adjust the master volume.
4.4 Bass Adjustment
Use the dedicated bass control buttons on the remote control to increase or decrease the bass level according to your preference.

Figure 5: Remote Control with Bass Adjustment
4.5 Bluetooth Pairing
- Select Bluetooth mode on the sound bar. The indicator light will typically flash, indicating it's in pairing mode.
- On your mobile device (smartphone, tablet, etc.), enable Bluetooth and search for available devices.
- Select "XDOBO Home 1978 II" from the list of devices.
- Once paired, the indicator light on the sound bar will become solid, and you can play audio from your device through the sound bar.
4.6 Product Showcase Video
Video 1: XDOBO Sound Bar Product Showcase (Note: This video may feature other XDOBO products alongside the sound bar.)
5. Maintenance
- Cleaning: Use a soft, dry cloth to clean the surface of the sound bar. Do not use liquid cleaners or abrasive materials.
- Ventilation: Ensure adequate ventilation around the sound bar to prevent overheating. Do not block any ventilation openings.
- Storage: If storing the sound bar for an extended period, disconnect it from power and store it in a cool, dry place.
6. Troubleshooting
If you encounter any issues with your sound bar, please refer to the following common problems and solutions:
- No Power:
- Check if the power adapter is securely connected to both the sound bar and the wall outlet.
- Ensure the wall outlet is functioning correctly. - No Sound:
- Verify that the correct input source is selected on the sound bar.
- Check the volume level on both the sound bar and your connected device.
- Ensure audio cables (HDMI, Optical, Coaxial, AUX) are securely connected.
- If using HDMI (ARC), ensure your TV's ARC function is enabled and the TV's audio output is set to external speakers. - Bluetooth Pairing Issues:
- Ensure the sound bar is in Bluetooth pairing mode (indicator flashing).
- Make sure your device's Bluetooth is enabled and within range.
- Try unpairing and re-pairing the device.
- Clear previous Bluetooth connections from both the sound bar and your device. - Remote Control Not Working:
- Check if the batteries in the remote control need replacement.
- Ensure there are no obstructions between the remote control and the sound bar's sensor.
7. Specifications

Figure 6: Sound Bar Dimensions
| Feature | Specification |
|---|---|
| Model Name | Home 1978 II |
| Brand | XDOBO |
| Bluetooth Version | 5.3 + EDR |
| Bluetooth Distance | 10m |
| Output Power | 80W (PMPO: 50-100W) |
| Speaker Driver | 2.25"/20W full range speaker unit*4 + airduct*2 |
| Audio Crossover | Full-Range |
| Channels | 4 |
| Frequency Response | 70Hz-20KHz |
| Signal-to-noise Ratio | ≥80dB |
| Distortion | < 10% |
| Connectivity | HDMI (ARC) / Optical fibre / USB 2.0 / BT / Coaxial |
| Power Supply | 100V-240V AC 50/60Hz |
| Unit Size (L*W*H) | 900mm * 72mm * 90mm (90*7.2*9cm) |
| Unit Weight | 3Kg |
| Cabinet Material | Plastic |
| Remote Control | Yes |
| Built-in Microphone | Yes |
| LED Lighting | No Light |
| Supported Audio Codecs | MP3 |
| Recommended Use | Home Theatre, Computer, Karaoke Player, Mobile Phone, Portable Audio Player, Stage |
8. User Tips
- For the best sound quality, ensure the sound bar is placed on a stable surface or securely mounted to the wall.
- Experiment with different input modes (HDMI ARC, Optical) to find the one that provides the best audio synchronization and quality with your TV.
- Utilize the remote control's bass adjustment feature to tailor the sound to your personal preference and the content you are watching or listening to.
- When connecting via Bluetooth, keep your device within the 10-meter range for an uninterrupted connection.
9. Warranty and Support
For warranty information, technical support, or any product-related inquiries, please refer to the contact information provided by your retailer or the manufacturer's official website. Keep your purchase receipt as proof of purchase for warranty claims.





