Monster M172
Monster Sparkle Bluetooth Speaker User Manual
Model: M172
Introduction
Thank you for purchasing the Monster Sparkle Bluetooth Speaker. This manual provides essential information for setting up, operating, and maintaining your speaker. Please read this manual thoroughly before using the product to ensure proper function and safety.

Image: The Monster Sparkle Bluetooth Speaker, showcasing its vibrant full-screen LED lighting.
Safety Information
To ensure safe operation and prevent damage, please observe the following precautions:
- Do not expose the speaker to extreme temperatures, direct sunlight, or excessive humidity.
- Avoid dropping or subjecting the speaker to strong impacts.
- Do not disassemble, repair, or modify the speaker yourself. Refer all servicing to qualified personnel.
- Keep the speaker away from medical devices, as it may cause interference.
- Use only the provided charging cable or a certified equivalent.
- Ensure the charging port cover is securely closed when the speaker is exposed to water to maintain IPX5 water resistance.
Package Contents
Verify that all items are present in the package:
- Monster Sparkle Bluetooth Speaker
- USB-C Charging Cable
- 3.5mm AUX Audio Cable
- User Manual (this document)
Product Overview
Familiarize yourself with the components and controls of your Monster Sparkle speaker.

Image: Rear view of the speaker highlighting the input/output ports including MIC IN, AUX IN, USB, RESET, and USB-C charging port.

Image: Exploded view diagram illustrating the speaker's internal components: a 2-inch tweeter, a 5.25-inch subwoofer, and a passive radiator.
Control Panel Functions:

Image: Detailed view of the speaker's top control panel, showing buttons for power, volume, track control, light effects, Bass Boost, and Bluetooth pairing.
- Power Button: Press and hold to turn the speaker On/Off.
- Play/Pause Button: Press to play or pause audio.
- Previous Track Button: Press to go to the previous track.
- Next Track Button: Press to go to the next track.
- Volume Down Button: Press to decrease volume.
- Volume Up Button: Press to increase volume.
- Bluetooth Pairing/Disconnecting Button: Press to initiate Bluetooth pairing or disconnect.
- Bass Boost Button: Press to activate or deactivate Bass Boost mode.
- Light On/Off Button: Press to cycle through light modes or turn lights On/Off.
Setup
1. Charging the Speaker
Before first use, fully charge the speaker. Connect the USB-C charging cable to the speaker's USB-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 and provides up to 24 hours of playtime (at 50% volume with lights off).

Image: The Monster Sparkle speaker illustrating its 24-hour battery life, with a battery charge indicator.
2. Powering On/Off
Press and hold the Power button on the control panel for 2-3 seconds to turn the speaker On or Off.
3. Bluetooth Pairing
To connect your device via Bluetooth:
- Turn on the Monster Sparkle speaker. It will automatically enter Bluetooth pairing mode, indicated by a flashing light.
- Enable Bluetooth on your smartphone, tablet, or other device.
- Search for "Monster Sparkle" in the list of available Bluetooth devices and select it to connect.
- Once connected, you will hear an audible confirmation, and the light indicator will become solid.

Image: A smartphone wirelessly connected to the Monster Sparkle speaker via Bluetooth 5.3, demonstrating stable connection.
Operating Instructions
Basic Audio Playback
- Play/Pause: Press the Play/Pause button.
- Volume Control: Press the Volume Up (+) or Volume Down (-) buttons.
- Next/Previous Track: Press the Next Track or Previous Track buttons.
- Bass Boost: Press the Bass Boost button to toggle enhanced bass on or off.
Light Effects Control
The speaker features 6 full-panel lighting effects. Press the Light On/Off button to cycle through the different lighting modes or to turn the lights off.

Image: The Monster Sparkle speaker showcasing its dynamic full-screen LED lighting, with examples of different color patterns.
Wireless Stereo Pairing (TWS)
You can pair two Monster Sparkle speakers together for a true wireless stereo experience with 160W total sound output.
- Ensure both speakers are powered on and not connected to any Bluetooth device.
- On one speaker (this will be the primary speaker), press and hold the Bluetooth Pairing button until you hear a pairing tone.
- The two speakers will automatically connect to each other. Once connected, you will hear a confirmation sound.
- Now, connect your device to the primary speaker via Bluetooth as described in the "Bluetooth Pairing" section.

Image: Two Monster Sparkle speakers positioned to demonstrate True Wireless Stereo Pairing, creating an immersive audio experience.
AUX/USB/TF Card Playback & Microphone Input
- AUX Input: Connect an external audio device (e.g., TV, laptop) using the provided 3.5mm AUX cable to the AUX IN port. The speaker will automatically switch to AUX mode.
- USB Playback: Insert a USB flash drive into the USB port to play audio files directly from the drive.
- TF Card Playback: Insert a TF (microSD) card into the designated slot to play audio files.
- Microphone Input: Connect a 6.35mm microphone to the MIC IN port for karaoke or public speaking.
Emergency Power Bank Function
The speaker's large-capacity battery can be used to charge your mobile devices. Connect your device to the speaker's USB port using a compatible charging cable.
Maintenance
Cleaning
Wipe the speaker with a soft, dry cloth. Do not use abrasive cleaners, alcohol, or chemical solvents, as these may damage the surface.
Storage
Store the speaker in a cool, dry place away from direct sunlight and extreme temperatures when not in use for extended periods. It is recommended to charge the battery at least once every three months to maintain its lifespan.
Water Resistance (IPX5)
The Monster Sparkle speaker is IPX5 water-resistant, meaning it can resist water splashes, sprays, and rain. It is not designed to be submerged in water. Ensure all port covers are securely closed before exposing the speaker to water.

Image: The Monster Sparkle speaker positioned outdoors near a pool, illustrating its IPX5 water-resistant capability against splashes and rain.
Troubleshooting
If you encounter issues with your speaker, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Speaker does not turn on. | Low battery; Power button not held long enough. | Charge the speaker fully. Press and hold the Power button for 2-3 seconds. |
| Cannot pair via Bluetooth. | Speaker not in pairing mode; Device Bluetooth off; Too far from speaker. | Ensure speaker is in pairing mode (flashing light). Turn on Bluetooth on your device. Move device closer to speaker (within 10 meters). |
| No sound. | Volume too low; Incorrect input mode; Device not connected. | Increase speaker and device volume. Check if the correct input mode (Bluetooth, AUX, USB, TF) is selected. Reconnect the device. |
| Sound distortion. | Volume too high; Low battery; Interference. | Lower the volume. Charge the speaker. Move away from other electronic devices. |
| TWS pairing fails. | Speakers already connected to other devices; Not in TWS pairing mode. | Disconnect both speakers from any Bluetooth devices. Ensure both speakers are in TWS pairing mode (refer to "Wireless Stereo Pairing" section). |
Specifications
Detailed technical specifications for the Monster Sparkle Bluetooth Speaker (Model: M172).
| Feature | Detail |
|---|---|
| Model Name | M172 |
| Speaker Type | Portable Bluetooth Speaker |
| Audio Output Mode | Stereo |
| Speaker Maximum Output Power | 80 Watts (Peak 120W) |
| Tweeter | 2 inches |
| Subwoofer | 5.25 inches |
| Connectivity Technology | Bluetooth 5.3, AUX, USB, TF Card |
| Battery Life | Up to 24 Hours (at 50% volume, lights off) |
| Charging Time | Approximately 2 Hours |
| Water Resistance | IPX5 |
| Product Dimensions (L x W x H) | 5D x 37W x 22H Centimetres |
| Item Weight | 2.4 Kilograms |
| Material | Metal |
| Color | Dark Black |

Image: The Monster Sparkle speaker with its dimensions clearly marked: 14cm width, 12cm depth, and 24cm height.
Warranty and Support
Monster products are designed and manufactured to the highest quality standards. For warranty information or technical support, please refer to the warranty card included in your package or visit the official Monster website. Keep your purchase receipt as proof of purchase.
For further assistance, you may contact Monster customer service through their official channels.
Ask a question about this manual
Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.