Monster Monster S21
Monster Shock Plus Bluetooth Speaker User Manual
Model: Monster S21
Introduction
Thank you for choosing the Monster Shock Plus Bluetooth Speaker. This portable speaker is designed to deliver powerful, clear audio with advanced features like Bluetooth 5.4, True Wireless Stereo (TWS) pairing, and IPX6 waterproofing. This manual provides detailed instructions for setup, operation, maintenance, and troubleshooting to ensure you get the best experience from your device.
Safety Information
- Do not expose the speaker to extreme temperatures or direct sunlight for extended periods.
- Avoid dropping or subjecting the speaker to strong impacts.
- Do not disassemble, repair, or modify the speaker yourself. Contact authorized service personnel for any repairs.
- Keep the speaker away from medical devices, as it may interfere with their operation.
- Ensure the charging port is dry before connecting the USB-C charging cable.
- Dispose of the battery responsibly according to local regulations.
What's in the Box
The Monster Shock Plus Bluetooth Speaker package includes the following items:
- Monster Bluetooth Speaker (x1)
- Lifting Rope (x1)
- AUX IN Cable (x1)
- USB-C Charging Cable (x1)
- Quick Start Guide & Warning Card (x1)
Image description: A flat lay of the Monster Shock Plus speaker, a black lifting rope, a black AUX cable, a black USB-C charging cable, and a small white quick start guide, all neatly arranged on a light grey surface.
Product Overview
The Monster Shock Plus features a sleek, portable design with intuitive controls located on the top panel. The front grille covers the powerful audio drivers, while the side panel houses various connectivity ports.
Image description: A black rectangular portable Bluetooth speaker with a textured top surface and a red accent line. The Monster logo is visible on the front grille.
Controls and Ports
- Power Button: Turn on/off the speaker.
- Play/Pause Button: Play or pause audio playback.
- TWS Pairing Button: Initiate True Wireless Stereo pairing.
- Volume + Button: Increase volume.
- Volume - Button: Decrease volume.
Image description: An overhead view of the Monster Shock Plus speaker, highlighting the five control buttons on its top surface: Power, Play/Pause, TWS Pairing, Volume Up, and Volume Down, each with an icon and text label.
- AUX-IN Port: For wired audio connection using the included AUX cable.
- TF Card Slot: Insert a TF (microSD) card for direct music playback.
- USB Port: Connect a USB drive for music playback.
- Type-C Charging Port: For charging the speaker using the USB-C cable.
Image description: A close-up view of the side of the Monster Shock Plus speaker, showing the AUX-IN port, TF Card slot, USB port, and Type-C charging port, with labels indicating their functions.
Setup
1. Charging the Speaker
Before first use, fully charge the speaker. Connect the provided USB-C charging cable to the speaker's Type-C port and the other end to a USB power adapter (not included) or a computer's USB port. The charging indicator will show the charging status. A full charge takes approximately 2 hours.
2. Powering On/Off
- To Power On: Press and hold the Power button for 2-3 seconds until you hear an audible prompt.
- To Power Off: Press and hold the Power button for 2-3 seconds until you hear an audible prompt.
3. Bluetooth Pairing
- Ensure the speaker is powered on and in Bluetooth pairing mode (indicated by a flashing LED).
- On your device (smartphone, tablet, computer), enable Bluetooth.
- Search for "Monster Shock Plus" in the list of available Bluetooth devices.
- Select "Monster Shock Plus" to connect. Once connected, you will hear a confirmation sound, and the LED indicator will stop flashing.
Image description: A stylized image of the Monster Shock Plus speaker with an internal circuit board and a "Bluetooth 5.4" logo, emphasizing its advanced connectivity.
4. True Wireless Stereo (TWS) Pairing
TWS allows you to pair two Monster Shock Plus speakers together for a powerful 60W stereo sound experience.
- Ensure both speakers are powered on and not connected to any Bluetooth device.
- On one speaker (this will be the primary speaker), press the TWS Pairing button. It will enter TWS pairing mode.
- The two speakers will automatically connect to each other. You will hear a confirmation sound once TWS pairing is successful.
- Now, connect your device to the primary speaker via Bluetooth as described in step 3. Both speakers will play audio in stereo.
Image description: A woman sitting on a rug with two Monster Shock Plus speakers placed on the floor, illustrating the True Wireless Stereo pairing feature for enhanced sound.
5. Other Connectivity Options
- AUX-IN Mode: Connect an external audio device using the provided 3.5mm AUX cable to the AUX-IN port. The speaker will automatically switch to AUX mode.
- TF Card Mode: Insert a TF (microSD) card with music files into the TF card slot. The speaker will automatically detect the card and begin playback.
- USB Mode: Insert a USB flash drive with music files into the USB port. The speaker will automatically detect the drive and begin playback.
Operating Instructions
Music Playback
- Play/Pause: Press the Play/Pause button to play or pause the current track.
- Volume Up: Press the Volume + button to increase the volume.
- Volume Down: Press the Volume - button to decrease the volume.
- Next Track: Long press the Volume + button to skip to the next track.
- Previous Track: Long press the Volume - button to go to the previous track.
The Monster Shock Plus offers up to 15 hours of playtime on a single charge, ensuring your music lasts all day.
Image description: The Monster Shock Plus speaker sits on a wooden bedside table next to a bed, with text indicating "15H Playtime" and "Play Music from AM to PM, just only single charge."
Hands-Free Calling
With the built-in microphone, you can answer calls directly through the speaker when connected via Bluetooth.
- Answer Call: Press the Play/Pause button once to answer an incoming call.
- End Call: Press the Play/Pause button once during a call to end it.
- Reject Call: Press and hold the Play/Pause button for 2 seconds to reject an incoming call.
IPX6 Waterproof Rating
The Monster Shock Plus speaker is IPX6 waterproof, meaning it is protected against high-pressure water jets from any direction. This makes it ideal for outdoor use, poolside, or beach outings. However, it is not designed to be submerged in water.
Image description: The Monster Shock Plus speaker is shown with water droplets splashing around it, emphasizing its IPX6 waterproof feature. The text "IPX6 WATERPROOF" is prominently displayed.
Maintenance
- Cleaning: Wipe the speaker with a soft, damp cloth. Do not use harsh chemicals or abrasive cleaners.
- Storage: Store the speaker in a cool, dry place away from direct sunlight and extreme temperatures when not in use for extended periods.
- Battery Care: To prolong battery life, charge the speaker at least once every three months if not used regularly.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Speaker does not power on. | Low battery. | Charge the speaker fully. |
| Cannot pair with Bluetooth device. | Speaker is not in pairing mode or too far from device. | Ensure speaker is in pairing mode. Move speaker closer to device (within 33 feet). Turn off and on Bluetooth on your device. |
| No sound or low volume. | Volume too low on speaker or connected device. Incorrect input mode. | Increase volume on both speaker and device. Check if the correct input mode (Bluetooth, AUX, TF, USB) is selected. |
| TWS pairing fails. | Speakers are already connected to other devices or too far apart. | Ensure both speakers are disconnected from other devices. Place speakers close to each other during TWS pairing. |
| Sound distortion. | Volume too high or audio source quality is poor. | Decrease volume. Try a different audio source or file. |
Specifications
| Feature | Detail |
|---|---|
| Model Name | Monster Shock Plus |
| Item Model Number | Monster S21 |
| Speaker Type | Outdoor |
| Connectivity Technology | Bluetooth 5.4, AUX, TF Card, USB |
| Audio Output Mode | Stereo |
| Speaker Maximum Output Power | 30 Watts (60W with TWS pairing) |
| Battery Life | Up to 15 Hours |
| Charging Time | Approx. 2 Hours |
| Water Resistance Level | IPX6 Water Resistant |
| Bluetooth Range | Up to 33 Feet (10 meters) |
| Built-in Microphone | Yes (for hands-free calling) |
| Product Dimensions | 2.99"D x 10.08"W x 4.02"H |
| Item Weight | 2.01 pounds |
| Material | Plastic |
Warranty and Support
The Monster Shock Plus Bluetooth Speaker comes with a Limited Warranty. Please refer to the Quick Start Guide & Warning Card included in your package for specific warranty terms and conditions.
For technical support or customer service, please contact Monster customer support through their official website or the contact information provided in your product documentation.
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