1. Introduction
This manual provides essential information for the proper setup, operation, and maintenance of your Monster S220 Bluetooth Soundbar. Please read this manual thoroughly before using the product to ensure optimal performance and safety.

Image 1.1: Front view of the Monster S220 Bluetooth Soundbar.
2. Package Contents
Verify that all items are present in the package:
- Monster S220 Soundbar x1
- USB-C cable x1
- User Manual x1
- Warning card x1
3. Product Overview
3.1. Features
- Bluetooth 5.4: Provides stable wireless connections with ultra-low latency.
- 2.0 Channel Audio: Features dual 52mm full-range speakers and two bass diaphragms for clear sound and enhanced bass.
- Multiple Connectivity Options: Supports AUX, USB, TF Card, and Bluetooth connections.
- Compact Design: Slim profile (20 × 2.4 × 2.4 inches) suitable for various setups.
- Built-in Battery: 2000mAh battery for portable use.

Image 3.1: Internal components of the soundbar, highlighting the full-range speakers and bass diaphragms.
3.2. Controls and Ports
The soundbar features intuitive controls and various input ports for versatile connectivity.

Image 3.2: Rear panel of the soundbar with input ports and power switch.
- TF: TF Card slot for media playback.
- AUX: 3.5mm auxiliary input for wired audio devices.
- USB: USB port for media playback.
- DC 5V: Power input for charging/powering the soundbar.
- ON/OFF: Power switch.
4. Setup
4.1. Powering On/Off
- Locate the ON/OFF switch on the rear panel of the soundbar.
- Slide the switch to the ON position to power on the device.
- Slide the switch to the OFF position to power off the device.
4.2. Charging the Soundbar
Connect the supplied USB-C cable to the DC 5V port on the soundbar and the other end to a compatible USB power adapter (not included).
4.3. Bluetooth Connection
- Ensure the soundbar is powered on and in Bluetooth pairing mode (indicated by a flashing LED).
- On your device (smartphone, tablet, TV), navigate to the Bluetooth settings.
- Search for available devices and select "Monster S220" from the list.
- Once connected, the LED indicator on the soundbar will become solid.

Image 4.1: Example of Bluetooth pairing process on a smartphone.
4.4. Wired Connections (AUX, USB, TF Card)
The soundbar supports various wired input methods:
- AUX: Connect an audio device using a 3.5mm audio cable (not included) to the AUX port.
- USB: Insert a USB flash drive containing audio files into the USB port.
- TF Card: Insert a TF (MicroSD) card containing audio files into the TF card slot.
The soundbar will automatically switch to the detected input mode or can be manually switched using the control buttons.

Image 4.2: Overview of multiple connection options available on the soundbar.
5. Operating the Soundbar
5.1. Basic Functions
- Volume Control: Use the volume buttons on the soundbar or connected device to adjust the audio level.
- Play/Pause: Press the play/pause button to control media playback.
- Mode Switching: Use the mode button to cycle through available input sources (Bluetooth, AUX, USB, TF Card).
5.2. Placement and Usage
The compact design of the Monster S220 allows for flexible placement options.

Image 5.1: Soundbar positioned below a television for home theater use.

Image 5.2: Soundbar used as a desktop speaker for a computer setup.
6. Maintenance
To ensure the longevity and optimal performance of your soundbar, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to clean the exterior of the soundbar. Avoid using abrasive cleaners or solvents.
- Storage: When not in use for extended periods, store the soundbar in a cool, dry place away from direct sunlight and extreme temperatures.
- Avoid Water: The soundbar is not waterproof. Keep it away from liquids and moisture.
- Handle with Care: Avoid dropping or subjecting the soundbar to strong impacts.
7. Troubleshooting
If you encounter issues with your Monster S220 Soundbar, refer to the following common solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Battery depleted; Power switch off | Charge the soundbar; Ensure power switch is ON. |
| No sound | Volume too low; Incorrect input mode; Device not connected | Increase volume; Select correct input mode; Reconnect device. |
| Bluetooth connection unstable | Device too far; Interference | Move device closer (within 15 meters); Reduce interference from other wireless devices. |
| Cannot play from USB/TF Card | Unsupported file format; Card/drive not inserted correctly | Ensure audio files are compatible; Reinsert card/drive securely. |
8. Specifications
| Feature | Detail |
|---|---|
| Model Name | S220 |
| Brand | Monster |
| Speaker Type | Soundbar |
| Connectivity Technology | Bluetooth, AUX, USB, TF Card |
| Wireless Communication | Bluetooth 5.4 |
| Bluetooth Range | 15 Meters |
| Audio Output Mode | Stereo (2.0 Channel) |
| Speaker Size | 52 Millimeters (Drivers) |
| Speaker Maximum Output Power | 40 Watts |
| Signal-to-Noise Ratio | 63 dB |
| Power Source | Battery Powered |
| Battery Capacity | 2000 Milliamp Hours |
| Product Dimensions | 2.4"D x 19.96"W x 2.42"H |
| Item Weight | 2.35 pounds |
| Material | Plastic |
| Control Method | Touch |
| Indoor/Outdoor Usage | Indoor, Outdoor |

Image 8.1: Physical dimensions of the Monster S220 Soundbar.
9. Warranty
The Monster S220 Soundbar comes with a Limited Warranty. Please refer to the included warning card or contact customer support for detailed warranty terms and conditions.
10. Support
For any questions regarding setup, tuning, or troubleshooting, please contact Monster customer support. We provide expert assistance to ensure your peace of mind.
Refer to the warning card or product packaging for specific contact information.





