1. Introduction
Thank you for purchasing the MISSION MSB21-2.1 Soundbar with Wireless Subwoofer. This manual provides important information regarding the setup, operation, maintenance, and troubleshooting of your new audio system. Please read this manual thoroughly before use and retain it for future reference.
1.1 Product Overview
The MISSION MSB21-2.1 is a high-performance 2.1 channel sound system designed to enhance your home entertainment experience. It features a sleek soundbar and a powerful wireless subwoofer, offering rich, immersive audio with deep bass. With multiple connectivity options including HDMI ARC, Optical, Coaxial, AUX, and Bluetooth, it seamlessly integrates with various audio sources.

Image 1.1: The MISSION MSB21-2.1 Soundbar and its accompanying Wireless Subwoofer.
1.2 What's in the Box
- MISSION MSB21 Soundbar
- Wireless Subwoofer
- Remote Control
- Power Cable for Soundbar
- Power Cable for Subwoofer
- Instruction Manual (this document)
- HDMI Cable
- Optical Cable
2. Safety Instructions
Please read and follow all safety instructions carefully to prevent electric shock, fire, or damage to the unit. Keep this manual handy for future reference.
- Power Source: Only use the power cables supplied with the unit. Ensure the voltage matches the rating label on the unit.
- Ventilation: Do not block any ventilation openings. Install in accordance with the manufacturer's instructions.
- Water and Moisture: Do not expose this apparatus to dripping or splashing. Do not place objects filled with liquids, such as vases, on the apparatus.
- Heat: Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.
- Cleaning: Clean only with a dry cloth.
- Servicing: Do not attempt to service this product yourself. Refer all servicing to qualified service personnel.
- Placement: Place the soundbar and subwoofer on a stable, flat surface. Avoid placing them in direct sunlight or near strong magnetic fields.
3. Product Components
3.1 Soundbar
The soundbar houses the main left and right channel drivers, delivering clear dialogue and mid-range frequencies. It features integrated controls on the top panel for easy access.

Image 3.1: Soundbar Top Controls (Power, Input, Play/Pause, Volume Down, Volume Up).
3.2 Wireless Subwoofer
The wireless subwoofer provides powerful bass, enhancing the overall audio experience. It connects wirelessly to the soundbar for flexible placement.

Image 3.2: Front view of the Wireless Subwoofer.

Image 3.3: Bottom view of the Wireless Subwoofer, highlighting the 6.5-inch down-firing driver.

Image 3.4: Rear view of the Wireless Subwoofer, showing the power input and the 'PAIR' button.
4. Setup
4.1 Unpacking and Placement
Carefully remove all components from the packaging. Place the soundbar directly in front of your TV, centered, or mount it on the wall below your TV. The wireless subwoofer can be placed anywhere in the room, ideally near a wall or corner for optimal bass response, but ensure it is within range of the soundbar for wireless connection.
4.2 Connecting Your Soundbar
The MSB21-2.1 offers multiple connection options. Choose the one that best suits your TV and other devices.

Image 4.1: Soundbar Connection Diagram.
- HDMI ARC (Recommended): Connect an HDMI cable from the soundbar's HDMI OUT (ARC) port to your TV's HDMI ARC port. This allows audio from your TV to be sent to the soundbar and enables CEC control (e.g., TV remote can control soundbar volume).
- Optical: Connect an optical cable from the soundbar's OPTICAL port to your TV's Optical Digital Audio Out port.
- Coaxial: Connect a coaxial cable from the soundbar's COAXIAL port to your TV's Coaxial Digital Audio Out port.
- AUX: Connect a 3.5mm audio cable from the soundbar's AUX port to your device's audio output (e.g., headphone jack on a TV or smartphone).
- HDMI IN (Source Devices): Connect external devices like Blu-ray players or gaming consoles to the soundbar's HDMI IN 1 or HDMI IN 2 ports. The soundbar supports 4K Pass-Thru.
4.3 Powering On and Subwoofer Pairing
1. Connect the power cables to the soundbar and the wireless subwoofer, then plug them into a wall outlet.
2. The soundbar will automatically enter standby mode. Press the Power button on the soundbar or remote control to turn it on.
3. The subwoofer should automatically pair with the soundbar. The indicator light on the subwoofer will turn solid blue when successfully paired. If pairing fails, press the 'PAIR' button on the back of the subwoofer and then the 'PAIR' button on the soundbar remote (if available) or cycle the soundbar's power.
5. Operating
5.1 Basic Controls
- Power: Press the Power button (U) on the soundbar or remote to turn the unit on/off.
- Volume: Use the Volume Up (+) and Volume Down (-) buttons on the soundbar or remote to adjust the volume.
- Input Selection: Press the Input button (↱) on the soundbar or the dedicated input buttons on the remote (HDMI 1, HDMI 2, OPTICAL, COAXIAL, AUX, BT) to switch between audio sources.
- Play/Pause: Press the Play/Pause (▶‖) button for media playback control (primarily for Bluetooth mode).
5.2 Bluetooth Audio Streaming
1. Press the Input button on the soundbar or the BT button on the remote to select Bluetooth mode. The soundbar's indicator light will flash blue.
2. On your mobile device, enable Bluetooth and search for available devices. Select "MISSION MSB21" from the list.
3. Once connected, the indicator light on the soundbar will turn solid blue. You can now stream audio from your device to the soundbar.
4. To disconnect, disable Bluetooth on your device or select a different input on the soundbar.
5.3 Sound Modes and Features
- Dolby Digital Processing: The soundbar automatically decodes Dolby Digital signals for enhanced surround sound experience.
- Virtual Surround: Engages a processing mode to simulate a wider soundstage, providing a more immersive audio experience. Refer to your remote control for a dedicated 'SURROUND' or 'MODE' button to activate this feature.
- Bass Boost: Enhances low-frequency output for more pronounced bass. This feature can typically be toggled via the remote control.
6. Maintenance
Proper maintenance ensures the longevity and optimal performance of your soundbar system.
- Cleaning: Use a soft, dry cloth to clean the surfaces of the soundbar and subwoofer. Do not use liquid cleaners or aerosol sprays.
- Storage: If storing the unit for an extended period, disconnect it from the power outlet and store it in a cool, dry place away from direct sunlight and extreme temperatures.
- Ventilation: Ensure that the ventilation openings on both units are not obstructed by dust or debris.
7. Troubleshooting
If you experience issues with your soundbar system, refer to the following common problems and solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Power cable not connected; Power outlet not active | Ensure power cables are securely connected and the outlet is active. Try a different outlet. |
| No sound | Incorrect input selected; Volume too low; Mute activated; Cable not connected properly | Select the correct input source. Increase volume. Deactivate mute. Check all audio cables are securely connected. |
| Subwoofer not pairing | Out of range; Interference; Pairing failed | Ensure subwoofer is within range (approx. 10 meters). Reduce interference from other wireless devices. Press the 'PAIR' button on the subwoofer and then on the soundbar remote (if applicable) or cycle soundbar power. |
| Remote control not working | Batteries depleted; Obstruction; Incorrect aim | Replace batteries. Remove any obstructions between remote and soundbar. Aim the remote directly at the soundbar's sensor. |
| Bluetooth connection issues | Device not in pairing mode; Already connected to another device; Interference | Ensure soundbar is in Bluetooth pairing mode. Disconnect from other devices. Try pairing again. Move closer to the soundbar. |
If the problem persists after trying these solutions, please contact customer support.
8. Specifications
| Feature | Description |
|---|---|
| Model Name | MSB21 |
| Speaker Type | Soundbar with Wireless Subwoofer |
| Surround Sound Channel Configuration | 2.1 |
| Total System Output | 240 watts RMS (400 Watts Peak) |
| Subwoofer Diameter | 6.5 Inches |
| Connectivity Technology | Bluetooth, HDMI (ARC), Optical, Coaxial, AUX |
| HDMI Inputs | 2 (with 4K Pass-Thru) |
| HDMI Output | 1 (with ARC and CEC) |
| Audio Decoding | Dolby Digital |
| Special Features | Virtual Surround, Bass Boost |
| Product Dimensions (Soundbar) | Not specified in detail, typically long and slim |
| Product Dimensions (Subwoofer) | Approx. 60"D x 60"W x 90"H (Note: This dimension seems unusually large for a subwoofer, please refer to product packaging for exact dimensions.) |
| Item Weight | 18.85 pounds (total system) |
| Power Source | Corded Electric |
| Control Method | Remote Control, Touch Buttons |
9. Warranty and Support
9.1 Warranty Information
Specific warranty details for the MISSION MSB21-2.1 Soundbar with Wireless Subwoofer are typically provided with the product packaging or can be found on the official MISSION website. Please retain your proof of purchase for warranty claims.
9.2 Customer Support
For technical assistance, troubleshooting beyond this manual, or warranty inquiries, please visit the official MISSION website or contact their customer support directly. Contact information can usually be found on the product packaging or the brand's official website.
You can visit the MISSION Store on Amazon for more information: MISSION Store





