Introduction
This manual provides detailed instructions for the setup, operation, and maintenance of your BESTISAN 80 Watt Soundbar, Model S8520. This 34-inch soundbar is designed to enhance your home theater audio experience with powerful sound and versatile connectivity options.
Video: An overview of the BESTISAN 80 Watt Soundbar, highlighting its features and connectivity options for an enhanced home theater experience.
Package Contents
Verify that all items listed below are included in your package:
- BESTISAN Soundbar
- Power Adapter
- Remote Control
- Audio Cable (3.5mm to 3.5mm)
- Optical Cable
- User Manual
- Mounting Accessories (Mount Screws and Wall Mount Brackets)

Image: Contents of the BESTISAN Soundbar package, including the soundbar, remote, cables, power adapter, and mounting hardware.
Setup
1. Wired Connections
The soundbar offers multiple wired connection options for various devices:
- HDMI (ARC): Connect an HDMI cable from the soundbar's HDMI ARC port to your TV's HDMI ARC port. This allows for audio return channel functionality, enabling TV remote control of soundbar volume.
- Optical: Use the provided optical cable to connect the soundbar's OPTICAL port to your TV's optical audio output. Ensure your TV's audio output is set to PCM format.
- AUX (3.5mm): Connect the provided 3.5mm audio cable from the soundbar's AUX IN port to the audio output of your device (e.g., TV headphone jack, smartphone).
- RCA: Use an RCA audio cable (not included) to connect the soundbar's RCA ports to the corresponding audio output ports on your device.
- USB: Insert a USB drive into the USB port to play audio files directly from the drive.

Image: Rear view of the BESTISAN Soundbar showing the HDMI ARC, Optical, AUX, USB, and DC power input ports.
2. Wireless Connection (Bluetooth 5.0)
- Power on the soundbar.
- Press the 'BT' button on the remote control or the 'Mode' button on the soundbar until the Bluetooth indicator light flashes.
- On your device (e.g., smartphone, tablet, TV), enable Bluetooth and search for "BESTISAN S8520" (or similar model name).
- Select the soundbar from the list of available devices to pair. Once connected, the Bluetooth indicator light will stop flashing and remain solid.
Video: A brief demonstration of the BESTISAN soundbar's wireless Bluetooth connectivity, showing how to pair it with a device.
3. Wall Mounting
The soundbar can be placed on a flat surface or mounted on a wall. Mounting accessories are included for wall installation.
- Determine the desired mounting location on the wall, ensuring it is level and secure.
- Use the provided wall mounting template (if available) or measure the distance between the keyhole slots on the back of the soundbar.
- Mark the drilling points on the wall.
- Drill pilot holes and insert wall anchors (if necessary for your wall type).
- Secure the wall mount brackets using the provided screws.
- Carefully hang the soundbar onto the mounted brackets.

Image: The BESTISAN Soundbar shown both placed on a cabinet and mounted on a wall below a television, illustrating flexible placement options.
Operating Instructions
1. Power On/Off
Press the Power button on the remote control or the power button on the soundbar to turn the unit on or off.

Image: The remote control for the BESTISAN Soundbar, highlighting various function buttons including power, volume, and EQ modes.
2. Volume Control
Use the VOL+ and VOL- buttons on the remote control to adjust the volume. You can also adjust volume directly on the soundbar.
3. Equalizer (EQ) Modes
The soundbar features three distinct equalizer modes to optimize audio for different content:
- MOVIE: Enhances bass and surround effects for an immersive cinematic experience.
- MUSIC: Provides balanced audio for music playback.
- DIALOG: Optimizes vocal clarity, making speech easier to understand.
Press the corresponding button (Movie, Music, or Dialog) on the remote control to switch between modes.

Image: Visual representation of the soundbar's integrated DSP technology and the three equalizer modes: Movie, Music, and Dialogue.
4. Input Selection
Press the 'OPT', 'BT', 'USB', 'AUX', or 'ARC' buttons on the remote control to select the desired input source.
Maintenance
- Cleaning: Use a soft, dry cloth to clean the surface of the soundbar. Do not use liquid cleaners or abrasive materials.
- Storage: When not in use for extended periods, disconnect the power adapter and store the soundbar in a cool, dry place.
- Avoid Obstructions: Ensure the soundbar's speakers are not obstructed to maintain optimal sound quality.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Power adapter not connected or faulty outlet. | Ensure the power adapter is securely connected to the soundbar and a working power outlet. |
| No sound | Incorrect input source selected, volume too low, or incorrect cable connection. | Verify the correct input source is selected. Increase the volume. Check all audio cable connections. For optical, ensure TV audio output is set to PCM. |
| Bluetooth pairing issues | Soundbar not in pairing mode, device too far, or interference. | Ensure the soundbar is in Bluetooth pairing mode (flashing indicator). Move the device closer to the soundbar. Disconnect other Bluetooth devices. |
| Remote control not working | Low battery, obstructed signal, or incorrect remote. | Replace remote batteries. Ensure no obstructions between the remote and soundbar. Use the correct BESTISAN remote. |
Specifications
- Model Name: S8520
- Speaker Type: Soundbar
- Speaker Maximum Output Power: 80 Watts
- Connectivity Technology: Auxiliary, Bluetooth 5.0, HDMI (ARC), Optical, USB
- Audio Output Mode: Stereo, Surround
- Product Dimensions: 34"D x 4"W x 4.1"H
- Item Weight: 7.09 pounds
- Material: Plastic
- Mounting Type: Wall Mount, Tabletop
- Included Components: Soundbar, Power Adapter, Remote, Audio Cable, Optical Cable, User Manual, Mounting Accessories

Image: The BESTISAN Soundbar with its dimensions (34 inches long, 4 inches deep, 4.1 inches high) indicated.
Warranty and Support
This BESTISAN Soundbar comes with a One-Year Warranty from the date of purchase. For warranty claims or technical support, please contact BESTISAN customer service.
For further assistance, visit the official BESTISAN store: BESTISAN Store





