Introduction
This manual provides essential instructions for the safe and efficient operation of your Monster S200 Wireless Portable Bluetooth Speaker. Please read this manual thoroughly before using the product and retain it for future reference.

Image: The Monster S200 Wireless Portable Bluetooth Speaker, showcasing its design.
Product Overview
The Monster S200 is a versatile portable Bluetooth speaker designed for high-quality audio playback in various environments. It features robust sound output, advanced Bluetooth connectivity, and a durable, waterproof design.
Key Features
- Powerful Audio Output: Delivers 50W of sound with deep bass and clear details.
- Bluetooth 5.4 Connectivity: Ensures a fast, stable, and interference-free wireless connection up to 100 feet (30 meters).
- IPX6 Waterproof Rating: Resistant to splashes, rain, and gentle water jets, suitable for outdoor and wet environments.
- Extended Playtime: Features a high-capacity rechargeable battery offering up to 24 hours of continuous music playback at moderate volume.
- True Wireless Stereo (TWS) Pairing: Connect two Monster S200 speakers wirelessly for an immersive stereo sound experience.
- Dynamic RGB Lights: Integrated lights that synchronize with music, enhancing the listening atmosphere.
- Multiple Input Options: Supports AUX, TF card, and USB playback for versatile audio sources.
- Portable Design: Equipped with a carry strap for convenient transport.

Image: Internal view of the Monster S200 speaker highlighting its 50W audio components.

Image: The Monster S200 speaker in an outdoor setting, illustrating its Bluetooth 5.4 connectivity.

Image: The Monster S200 speaker on a paddleboard, demonstrating its IPX6 waterproof capability.

Image: The Monster S200 speaker in a camping scene, highlighting its long battery life.

Image: Two Monster S200 speakers set up for True Wireless Stereo (TWS) pairing.

Image: A close-up of the Monster S200 speaker's end, displaying its dynamic RGB lighting.

Image: A person carrying the Monster S200 speaker using its integrated shoulder strap.
Package Contents
Please check the package for the following items:
- Monster S200 Wireless Portable Bluetooth Speaker
- USB-C Charging Cable
- AUX Audio Cable
- Carry Strap
- User Manual
Controls and Indicators
Familiarize yourself with the speaker's buttons and LED indicators for optimal control.

Image: Detailed view of the Monster S200 speaker's control panel and input ports.
Button Functions:
- Power Button: Press and hold to power on/off. Short press to change playback mode (Bluetooth/AUX/TF/USB).
- Volume Up / Next Track Button: Short press for volume up. Long press for next track.
- Volume Down / Previous Track Button: Short press for volume down. Long press for previous track.
- Play/Pause / Call Button: Short press to play/pause music. Short press to answer/end calls. Long press to reject calls.
- RGB Light Button: Short press to cycle through RGB light modes. Long press to turn RGB lights on/off.
LED Indicators:
- Bluetooth Indicator: Flashes blue when pairing, solid blue when connected.
- Charging Indicator: Red when charging, off when fully charged.
Setup
1. Charging the Speaker
- Connect the provided USB-C charging cable to the speaker's charging port.
- Connect the other end of the cable to a USB power adapter (not included) or a computer's USB port.
- The charging indicator will illuminate red during charging and turn off once fully charged.
- A full charge typically takes approximately 3-4 hours.
2. Powering On/Off
- To Power On: Press and hold the Power button for 2-3 seconds until you hear an audible prompt and the LED indicator lights up.
- To Power Off: Press and hold the Power button for 2-3 seconds until you hear an audible prompt and the LED indicator turns off.
3. Bluetooth Pairing
- Ensure the speaker is powered on and in Bluetooth mode (the Bluetooth indicator will be flashing blue).
- On your mobile device, enable Bluetooth and search for available devices.
- Select "Monster S200" from the list of devices.
- Once connected, the Bluetooth indicator will turn solid blue, and you will hear a confirmation sound.
4. True Wireless Stereo (TWS) Pairing
To achieve a stereo sound experience, you can pair two Monster S200 speakers together.
- Ensure both Monster S200 speakers are powered on and not connected to any Bluetooth device.
- On one speaker (this will be the primary speaker), double-press the Power button. The speaker will enter TWS pairing mode.
- The two speakers will automatically search for and connect to each other. Once connected, you will hear a confirmation sound.
- Now, connect your mobile device to the primary speaker via Bluetooth as described in step 3. Both speakers will play audio in stereo.
Operating Instructions
1. Playing Audio
- Play/Pause: Short press the Play/Pause button.
- Next Track: Long press the Volume Up button.
- Previous Track: Long press the Volume Down button.
2. Volume Control
- Increase Volume: Short press the Volume Up button.
- Decrease Volume: Short press the Volume Down button.
3. RGB Lighting Modes
The speaker features multiple RGB lighting modes that can be adjusted.
- Change Mode: Short press the RGB Light button to cycle through available lighting effects.
- Turn On/Off: Long press the RGB Light button to activate or deactivate the lights.

Image: The Monster S200 speaker's RGB lights displaying different color options.
4. Using Other Input Modes (AUX, TF Card, USB)
The speaker supports playback from various sources:
- AUX Mode: Connect an audio device using the provided 3.5mm AUX cable. The speaker will automatically switch to AUX mode or can be selected by short pressing the Power button.
- TF Card Mode: Insert a TF (MicroSD) card with audio files into the TF card slot. The speaker will automatically switch to TF card mode or can be selected by short pressing the Power button.
- USB Mode: Insert a USB flash drive with audio files into the USB port. The speaker will automatically switch to USB mode or can be selected by short pressing the Power button.
Maintenance
1. Cleaning
- Wipe the speaker with a soft, damp cloth.
- Do not use abrasive cleaners, alcohol, or chemical solvents.
2. Waterproofing Care
- Ensure the rubber flap covering the charging and input ports is securely closed to maintain the IPX6 waterproof rating.
- Do not submerge the speaker in water. IPX6 protects against strong water jets, not immersion.
- After exposure to water, wipe the speaker dry before opening the port cover or charging.
3. Storage
- Store the speaker in a cool, dry place away from direct sunlight and extreme temperatures.
- If storing for an extended period, charge the battery periodically to maintain its lifespan.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Speaker does not power on. | Low battery. | Charge the speaker fully. |
| No sound. | Volume too low; incorrect input mode; device not connected. | Increase volume; switch to correct input mode (Bluetooth/AUX/TF/USB); ensure device is paired. |
| Bluetooth pairing fails. | Speaker not in pairing mode; device too far; interference. | Ensure speaker is flashing blue; move device closer; restart speaker and device. |
| TWS pairing fails. | Speakers already connected to other devices; too far apart. | Disconnect both speakers from any devices; ensure they are close to each other; try TWS pairing again. |
| Sound distortion. | Volume too high; low battery; poor audio source. | Reduce volume; charge speaker; try a different audio source. |
Specifications
| Feature | Detail |
|---|---|
| Brand | Monster |
| Model Number | S18 (Product Name: S200) |
| Speaker Maximum Output Power | 50 Watts |
| Connectivity Technology | Bluetooth 5.4 |
| Audio Output Mode | Stereo |
| Waterproof Rating | IPX6 |
| Battery Average Life | Up to 24 hours (at moderate volume) |
| Power Source | Rechargeable Lithium-ion Battery |
| Product Dimensions (L x W x H) | 100 x 40 x 80 mm (10 x 4 x 8 cm) |
| Item Weight | 1.58 kg |
| Mounting Type | Tabletop |
| Specific Uses | Home, Parties, Travel |
Safety Information
- Do not expose the speaker to extreme temperatures or direct sunlight for prolonged periods.
- Avoid dropping or subjecting the speaker to strong impacts.
- Keep the speaker away from medical devices, as it may cause interference.
- Do not attempt to disassemble, repair, or modify the speaker yourself. Contact qualified service personnel.
- Dispose of the battery according to local regulations. Do not dispose of in fire.
Warranty and Support
The Monster S200 Wireless Portable Bluetooth Speaker comes with a standard manufacturer's warranty. For detailed warranty terms and conditions, please refer to the warranty card included in your package or visit the official Monster website.
For technical support, troubleshooting assistance, or service inquiries, please contact Monster customer support through their official channels.