Introduction
Thank you for purchasing the Monster S220 Bluetooth Soundbar. This manual provides essential information for setting up, operating, and maintaining your soundbar to ensure optimal performance and longevity. Please read this manual thoroughly before use and retain it for future reference.
What's in the Box
Carefully unpack all components and ensure the following items are included:
- Monster S220 Soundbar (x1)
- USB-C Cable (x1)
- Warning Card (x1)
- User Manual (x1)
If any items are missing or damaged, please contact customer support.
Product Features
The Monster S220 Soundbar is designed to enhance your audio experience with its advanced features:
- Bluetooth 5.4 Connectivity: Ensures stable wireless streaming with ultra-low latency (less than 15ms), ideal for gaming and video synchronization.
- 2.0-Channel Audio System: Delivers clear and immersive sound.
- Dual 52mm Full-Range Speakers: Provides rich, multidimensional audio.
- Dual Bass Diaphragms: Enhances low-frequency response for powerful, deep bass.
- Multiple Connection Options: Supports AUX, USB, and TF Card inputs for versatile connectivity.
- Compact and Portable Design: Measuring approximately 20 x 2.4 x 2.4 inches and weighing 725g, it fits seamlessly under TVs or on desktops.
- Built-in 2000mAh Battery: Offers extended playback for portable use.
- 40 Watts Maximum Output Power: Provides robust audio performance.
Product Overview

Figure 1: Front view of the Monster S220 Bluetooth Soundbar.

Figure 2: Rear panel showing AUX, USB, TF Card, DC 5V (USB-C charging), and On/Off switch.

Figure 3: Dimensions of the Monster S220 Soundbar: 20 inches long, 2.4 inches deep, and 2.4 inches high.

Figure 4: Diagram illustrating the dual 52mm full-range speakers and bass diaphragms for enhanced sound quality.
Setup
Initial Charging
Before first use, fully charge the soundbar using the provided USB-C cable. Connect the USB-C end to the soundbar's DC 5V port and the other end to a compatible USB power adapter (not included) or a computer USB port. The charging indicator light will show the charging status.
Placement
Place the soundbar on a stable, flat surface, such as a TV stand, desk, or shelf. For optimal audio performance, position it centrally in front of your television or monitor.

Figure 5: Example placement of the soundbar under a television.
Operating Instructions
Power 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 it to the "Off" position to power off.
Mode Selection
The soundbar supports multiple input modes. Use the mode button (if available, typically indicated by an icon on the top panel) to cycle through Bluetooth, AUX, USB, and TF Card modes. The soundbar will indicate the current mode, often through an LED indicator or voice prompt.
Connectivity
Bluetooth Pairing
- Ensure the soundbar is powered on and in Bluetooth mode. If it's not automatically in pairing mode, activate it (refer to the soundbar's specific button layout for a dedicated Bluetooth pairing button, if any, or it may enter pairing mode automatically when Bluetooth is selected).
- On your device (smartphone, tablet, PC, TV), enable Bluetooth and search for available devices.
- Select "Monster S220" from the list of found devices.
- Once paired, the soundbar will indicate a successful connection (e.g., a solid blue LED or a voice prompt).

Figure 6: Visual representation of connecting a device via Bluetooth to the soundbar.
AUX Connection
To connect via AUX, use a 3.5mm audio cable (not included) to connect the soundbar's AUX port to the audio output port of your device (e.g., TV, PC, projector). Switch the soundbar to AUX mode.
USB and TF Card Playback
Insert a USB flash drive or a TF (microSD) card containing audio files into the respective ports on the soundbar's rear panel. Switch the soundbar to USB or TF Card mode. The soundbar will automatically begin playing compatible audio files.

Figure 7: Close-up of the soundbar's rear panel showing the various input ports.
Charging and Battery
The Monster S220 Soundbar features a built-in 2000mAh battery, allowing for portable use. To charge, connect the soundbar to a 5V USB power source using the provided USB-C cable. A full charge typically takes a few hours. The battery life will vary depending on volume level and usage.
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, store the soundbar in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: To prolong battery life, avoid fully discharging the battery frequently. Charge the soundbar regularly, even if not in active use.
- Avoid Water: The soundbar is not waterproof. Keep it away from water and high humidity.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Battery is depleted; Power switch is off. | Charge the soundbar; Ensure the On/Off switch is in the "On" position. |
| No sound | Volume is too low; Incorrect input mode selected; Device not connected properly. | Increase volume; Select the correct input mode (Bluetooth, AUX, USB, TF Card); Reconnect the device. |
| Bluetooth pairing failure | Soundbar is not in pairing mode; Device is too far; Interference. | Ensure soundbar is in Bluetooth pairing mode; Move device closer to soundbar (within 15 meters); Turn off other Bluetooth devices nearby. |
| Distorted sound | Volume too high; Source audio quality is poor. | Reduce volume; Try a different audio source. |
For further assistance, please contact customer support.
Specifications
| Model Name | S220 Black |
| Speaker Type | Soundbar |
| Surround Sound Channel Configuration | 2.0 |
| Speaker Maximum Output Power | 40 Watts |
| Wireless Communication Technology | Bluetooth 5.4 |
| Bluetooth Range | 15 Meters |
| Connectivity Protocol | Bluetooth, AUX, USB, TF Card |
| Battery Capacity | 2000 Milliamp Hours |
| Power Source | Battery Powered |
| Product Dimensions (L x D x H) | 20 x 2.4 x 2.4 inches (approx.) |
| Item Weight | 2.27 pounds (approx. 725g) |
| Is Waterproof | No |
| Included Components | Soundbar, USB-C cable, Warning card, User Manual |
Warranty and Support
Limited Warranty
The Monster S220 Soundbar comes with a limited warranty. Please refer to the included Warning Card or contact Monster customer support for detailed warranty terms and conditions. This warranty typically covers manufacturing defects but does not cover damage caused by misuse, accidents, or unauthorized modifications.
Customer Support
For any questions, technical support, or warranty claims, please contact Monster customer service. Contact information can typically be found on the product packaging, the official Monster website, or the included Warning Card.
As per product information, 24/7 expert support is available for setup, tuning, or troubleshooting.





