1. Introduction
Thank you for purchasing the Roadstar SB-820BT Bluetooth Soundbar. This device is designed to enhance your audio experience for TV, PC, and other compatible devices. It features powerful stereo sound, multiple connectivity options including Bluetooth, AUX, USB, and Coaxial, and a built-in rechargeable battery for portable use. Please read this manual thoroughly before using the product to ensure proper operation and to maximize its lifespan.
Image 1.1: The Roadstar SB-820BT Soundbar, a sleek black audio device designed for enhanced sound output.
2. Important Safety Instructions
- Read these instructions carefully before use.
- Keep this manual for future reference.
- Do not expose the device to rain, moisture, or extreme temperatures.
- Avoid placing the device near heat sources such as radiators, heat registers, stoves, or other apparatus that produce heat.
- Clean only with a dry cloth.
- Do not block any ventilation openings.
- Use only attachments/accessories specified by the manufacturer.
- Unplug this apparatus during lightning storms or when unused for long periods of time.
- Refer all servicing to qualified service personnel.
3. Package Contents
Please check that all items are present and in good condition:
- Roadstar SB-820BT Soundbar
- USB-C Charging Cable
- 3.5mm Jack Cable
- User Manual (this document)
Image 3.1: The Roadstar SB-820BT Soundbar shown with its key features and the included USB-C charging cable and 3.5mm Jack cable.
4. Product Overview
4.1 Front Panel Controls
Image 4.1: A close-up view of the central control panel on the Roadstar SB-820BT soundbar, featuring buttons for volume, mode, and playback.
- (-) Button: Decrease volume / Previous track (in USB/TF/Bluetooth mode).
- (+) Button: Increase volume / Next track (in USB/TF/Bluetooth mode).
- (M) Mode Button: Press to cycle through input modes (Bluetooth, AUX, USB, TF, Coaxial).
- (Play/Pause) Button: Play/Pause (in USB/TF/Bluetooth mode).
4.2 Rear Panel Connections
Image 4.2: The rear panel of the Roadstar SB-820BT soundbar, showing various input ports including COAX, TF, USB, AUX, DC 5V, and the ON/OFF switch.
- COAX: Coaxial audio input port.
- TF: TF card slot for media playback.
- USB: USB port for media playback.
- AUX: 3.5mm auxiliary audio input port.
- DC 5V: USB-C power input for charging.
- ON/OFF: Power switch for the soundbar.
5. Setup
5.1 Charging the Soundbar
- Ensure the soundbar is switched OFF using the ON/OFF switch on the rear panel.
- Connect the supplied USB-C charging cable to the DC 5V port on the soundbar.
- Connect the other end of the USB-C cable to a compatible USB power adapter (not included) or a computer's USB port.
- The charging indicator light will illuminate. Once fully charged, the light may change color or turn off.
5.2 Placement
The soundbar can be placed on a flat surface, such as a TV stand or desk, or mounted on a wall (mounting hardware not included).
Image 5.1: The Roadstar SB-820BT soundbar positioned below a television in a living room setting, demonstrating typical home entertainment placement.
Image 5.2: The Roadstar SB-820BT soundbar placed on a desk beneath a computer monitor, illustrating its use as a PC audio solution.
5.3 Connecting to Devices
The SB-820BT offers multiple connection options:
- Bluetooth: For wireless connection to smartphones, tablets, smart TVs, etc.
- AUX: Use the 3.5mm jack cable to connect to devices with an audio output.
- USB/TF: Insert a USB drive or TF card for direct media playback.
- Coaxial: Connect to devices with a coaxial audio output.
6. Operating Instructions
6.1 Power On/Off
Slide the ON/OFF switch on the rear panel to the 'ON' position to power on the soundbar. Slide it to 'OFF' to power off.
6.2 Mode Selection
Press the (M) Mode button on the front panel to cycle through the available input modes: Bluetooth, AUX, USB, TF, and Coaxial.
6.3 Bluetooth Pairing
- Power on the soundbar and select Bluetooth mode using the (M) Mode button. The soundbar will indicate it is in pairing mode (e.g., a flashing LED or voice prompt).
- On your device (smartphone, tablet, etc.), enable Bluetooth and search for available devices.
- Select "SB-820BT" from the list of devices.
- Once paired, the soundbar will indicate a successful connection.
6.4 AUX Input
Connect one end of the 3.5mm jack cable to the AUX port on the soundbar and the other end to the audio output of your device. Select AUX mode on the soundbar.
6.5 USB/TF Card Playback
Insert a USB drive into the USB port or a TF card into the TF slot. The soundbar should automatically switch to USB or TF mode and begin playing compatible audio files. If not, select the appropriate mode using the (M) Mode button.
6.6 Coaxial Input
Connect a coaxial audio cable (not included) from your device's coaxial output to the COAX port on the soundbar. Select Coaxial mode on the soundbar.
6.7 Volume Control
Use the (+) and (-) buttons on the front panel to adjust the volume. You can also control the volume from your connected device.
6.8 Playback Control (USB/TF/Bluetooth)
Use the (Play/Pause) button for play/pause functionality. Press the (+) button for the next track and the (-) button for the previous track.
7. Maintenance
- Cleaning: Wipe the surface of the soundbar with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Storage: If not using the soundbar for an extended period, store it in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: To maintain battery life, fully charge the soundbar before long periods of storage and recharge it every few months.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Battery drained; Power switch OFF | Charge the soundbar; Ensure power switch is ON. |
| No sound | Incorrect input mode; Volume too low; Loose cable connection | Select correct input mode; Increase volume; Check cable connections. |
| Bluetooth pairing failed | Soundbar not in pairing mode; Device too far; Interference | Ensure soundbar is in Bluetooth mode; Move device closer; Restart both devices. |
| USB/TF playback not working | Incorrect file format; Corrupted media; Incorrect mode | Ensure files are compatible (e.g., MP3); Try another USB/TF card; Select USB/TF mode. |
9. Specifications
Image 9.1: A detailed table outlining the technical specifications and features of the Roadstar SB-820BT soundbar.
| Feature | Detail |
|---|---|
| Model Name | SB-820BT |
| Output Power | 72 Watts PMPO (2 x 4.5W RMS) |
| Speaker Type | Soundbar, 2 speakers |
| Connectivity Technology | Bluetooth |
| Wireless Communication Technology | Bluetooth |
| Audio Output Mode | Stereo |
| Surround Sound Channel Configuration | 5.1 (Note: This typically refers to virtual surround sound processing, not discrete channels) |
| Power Source | Battery Powered (Built-in 2200mAh rechargeable battery) |
| Input Connections | Bluetooth, USB, TF Card, AUX (3.5mm Jack), Coaxial |
| Control Method | Application (likely refers to Bluetooth control from device) |
| Color | Black |
| Dimensions (L x W x H) | 78 x 6.2 x 6.2 cm |
| Weight | 950 Grams |
| Included Components | 1 USB-C charging cable, 1 Jack 3.5 mm cable |
| Recommended Uses | For smartphone or tablet, For television |
| Compatible Devices | Karaoke device, Home cinema, MP3 player, Desktop computer, Laptop, Projector, Smartphone, Tablet, Television |
10. Warranty and Support
Roadstar products are manufactured to high-quality standards. For specific warranty information, please refer to the warranty card included with your purchase or contact your local Roadstar dealer or customer service. Keep your proof of purchase for any warranty claims.
For technical support or service inquiries, please visit the official Roadstar website or contact their customer support channels.