1. Introduction
Thank you for purchasing the DOSS Soundbar XL. This soundbar is designed to enhance your audio experience for movies, music, and gaming with its powerful sound and versatile connectivity options. Please read this manual carefully before use to ensure proper operation and to maximize the product's performance.
Key Features:
- Expansive 40W room-filling sound with 4 full-range drivers and 4 passive radiators.
- Optimized sound modes (Movie, Music) for enhanced audio.
- Convenient remote and button controls.
- Wireless stereo pairing capability for immersive surround sound.
- Multiple connectivity options: Bluetooth 5.0, 3.5mm Aux, 3.5mm to RCA, and Sub Out.
2. Setup Guide
2.1 Unpacking and Components
Carefully remove all components from the packaging. Ensure all items listed below are present:
- DOSS Soundbar XL
- Remote Control
- Power Adapter
- 3.5mm to 3.5mm Aux in Cable
- 3.5mm to RCA Cable
- User Manual

Image: DOSS Soundbar XL soundbar and its accompanying remote control.
2.2 Connecting the Soundbar
The DOSS Soundbar XL offers multiple connection methods to suit your devices.

Image: Rear view of the soundbar showing TF card slot, Aux in, RCA in, and Sub Out ports, along with a power input.

Image: Visual guide to connecting the soundbar using the TF Card Slot, 3.5mm Aux in Cable, 3.5mm to RCA Cable, and Power Adapter.
Power Connection:
- Connect the power adapter to the DC IN port on the back of the soundbar.
- Plug the power adapter into a wall outlet.
Audio Connections:
- Bluetooth 5.0: For wireless connection to smartphones, tablets, and other Bluetooth-enabled devices.
- AUX In (3.5mm): Connect devices like laptops or MP3 players using the provided 3.5mm to 3.5mm Aux cable.
- RCA In: Connect to TVs or other audio sources using the provided 3.5mm to RCA cable.
- Sub Out: For connecting an external subwoofer (not included) to enhance bass.
- TF Card Slot: Insert a TF card for direct music playback.
2.3 Wireless Stereo Pairing (TWS)
You can pair two DOSS Soundbar XL units together for a true wireless stereo experience, providing more immersive sound and louder volume.

Image: Two Soundbar XL units positioned in front of a TV, illustrating wireless stereo pairing for an immersive audio experience.
Steps for TWS Pairing:
- Ensure both Soundbar XL units are powered on and not connected to any other Bluetooth device.
- On one soundbar (this will be the primary unit), press and hold the TWS button (if available, or refer to specific button on device). The indicator light will flash.
- On the second soundbar, press the TWS button.
- The two soundbars will automatically connect to each other. Once paired, the indicator light on the primary unit will remain solid, and the secondary unit's light will also indicate a successful connection.
- Connect your audio source (e.g., smartphone) to the primary soundbar via Bluetooth.
Video: An official product video demonstrating the DOSS Soundbar XL's features, including immersive surround sound, easy setup, and optimized sound modes. This video highlights the product's versatility for various entertainment needs.
3. Operating Instructions
3.1 Basic Controls
The DOSS Soundbar XL can be controlled using the buttons on the top panel or the included remote control.

Image: The soundbar and its remote control, with icons indicating Bluetooth, AUX, RCA, Music Mode, and Movie Mode functionalities.
Remote Control Functions:
- Power Button: Turns the soundbar on or off.
- MODE Button: Switches between input modes (Bluetooth, AUX, RCA, TF Card).
- Volume Up/Down: Adjusts the master volume.
- Previous/Next Track: Skips tracks in Bluetooth or TF Card mode.
- Play/Pause: Plays or pauses audio in Bluetooth or TF Card mode.
- EQ Modes (Music/Movie): Switches between optimized sound profiles.
3.2 Sound Modes
The soundbar features two optimized sound modes to enhance your listening experience:

Image: The DOSS Soundbar XL positioned below a TV displaying a movie scene, with icons for Music Mode and Movie Mode, indicating optimized sound profiles.
- Music Mode: Provides a well-balanced sound profile, ideal for listening to music.
- Movie Mode: Enhances bass and volume, creating a more immersive cinematic experience.
Press the corresponding button on the remote control to switch between these modes.
4. Maintenance
To ensure the longevity and optimal performance of your DOSS Soundbar XL, follow these simple maintenance guidelines:
- Cleaning: Use a soft, dry cloth to wipe the surface of the soundbar. Do not use liquid cleaners or abrasive materials, as they may damage the finish.
- Placement: Place the soundbar on a stable, flat surface. Avoid placing it in direct sunlight, near heat sources, or in areas with high humidity.
- Ventilation: Ensure proper ventilation around the soundbar to prevent overheating. Do not block any ventilation openings.
- Storage: If storing the soundbar for an extended period, disconnect it from power and store it in a cool, dry place.
5. Troubleshooting
If you encounter any issues with your DOSS Soundbar XL, please refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Power cable not connected; Power outlet not working. | Ensure the power cable is securely connected to the soundbar and a working power outlet. |
| No sound | Volume too low; Incorrect input mode selected; Audio cable not connected properly. | Increase volume; Press MODE button to select correct input; Reconnect audio cables securely. |
| Bluetooth pairing failed | Soundbar not in pairing mode; Device too far; Interference. | Ensure soundbar is in Bluetooth pairing mode; Move device closer; Avoid strong electromagnetic interference. |
| Remote control not working | Batteries low/dead; Obstruction between remote and soundbar. | Replace batteries; Ensure no obstructions and point remote directly at the soundbar's sensor. |
| Poor sound quality | Incorrect sound mode; Source audio quality; Cable issues. | Try switching sound modes (Music/Movie); Check the quality of the audio source; Ensure cables are not damaged. |
If the problem persists after trying these solutions, please contact customer support.
6. Specifications
| Feature | Detail |
|---|---|
| Model Name | Soundbar XL |
| Brand | DOSS |
| Speaker Type | Computer, Soundbar, Surround Sound |
| Speaker Maximum Output Power | 40 Watts |
| Surround Sound Channel Configuration | 2.0 |
| Connectivity Technology | Auxiliary, Bluetooth |
| Connectivity Protocol | Bluetooth 5.0 |
| Compatible Devices | Laptop, Television |
| Controller Type | Button, Remote Control |
| Product Dimensions | 4.8"D x 17.7"W x 6.4"H |
| Item Weight | 4.14 pounds |
| Power Source | Corded Electric |
| Batteries | 1 Lithium Polymer batteries required. (included) |
| Date First Available | December 30, 2020 |
7. Warranty and Support
DOSS products are backed by a 12-month warranty, starting from the date of purchase, covering any quality-related concerns.

Image: A customer service representative with contact details: 1-833-275-3677 and support@dossav.com, emphasizing 24-hour prompt assistance and a one-year warranty.
If you have any issues with the product, please feel free to contact us. We are committed to providing you with 24-hour prompt assistance and support!
Contact Information:
- Phone: 1-833-275-3677
- Email: support@dossav.com





