1. Introduction
The Monster Prism Pro is a portable Bluetooth speaker designed to deliver high-fidelity audio with dynamic RGB lighting. It features 60W stereo sound, True Wireless Stereo (TWS) pairing capability, Bluetooth 6.0 connectivity, and multiple input options for versatile use. This manual provides essential information for setting up, operating, and maintaining your speaker.

Image: The Monster Prism Pro speaker, illustrating its internal components for 60W stereo sound delivery.
2. Package Contents
Please check the package for the following items:
- Monster Prism Pro Bluetooth Speaker
- USB-C Charging Cable
- User Manual
3. Product Overview
Controls and Ports
Familiarize yourself with the speaker's buttons and connection ports for optimal use.

Image: Rear view of the Monster Prism Pro speaker, highlighting the USB-C charging port, TF card slot, AUX-in port, and USB-in port.
- Power Button: Press and hold to power on/off.
- Volume Up/Next Track: Short press for volume up, long press for next track.
- Volume Down/Previous Track: Short press for volume down, long press for previous track.
- Play/Pause/Call: Press to play/pause music, answer/end calls.
- Light Mode Button: Press to cycle through RGB lighting modes.
- TWS Button: Press to initiate True Wireless Stereo pairing.
- USB-C Port: For charging the speaker.
- TF Card Slot: For playing music from a TF (MicroSD) card.
- AUX-in Port: For wired audio connection via a 3.5mm cable.
- USB-in Port: For playing music from a USB flash drive.
4. Setup
4.1 Charging the Speaker
Before first use, fully charge the speaker. Connect the provided USB-C charging cable to the speaker's USB-C port and a compatible USB power adapter (not included). The charging indicator light will show charging status and turn off when fully charged.
4.2 Powering On/Off
Press and hold the Power button for approximately 3 seconds to turn the speaker on or off. A sound prompt will indicate the power status.
4.3 Bluetooth Pairing
To connect your device via Bluetooth:
- Ensure the speaker is powered on and in Bluetooth pairing mode (indicated by a flashing LED).
- On your device (smartphone, tablet, etc.), enable Bluetooth and search for available devices.
- Select "Monster Prism Pro" from the list.
- Once connected, the LED indicator will become solid, and a sound prompt will confirm the connection.

Image: Diagram illustrating the Bluetooth 6.0 chip, emphasizing faster and more stable connections.
4.4 True Wireless Stereo (TWS) Pairing
For an immersive stereo experience, you can pair two Monster Prism Pro speakers together:
- Ensure both speakers are powered on and not connected to any Bluetooth device.
- On one speaker, press the TWS button. It will enter TWS pairing mode.
- The two speakers will automatically connect to each other. A sound prompt will confirm successful TWS pairing.
- Once paired, connect your device to one of the speakers via Bluetooth as described in section 4.3. Both speakers will then play audio in stereo.

Image: Two Monster Prism Pro speakers demonstrating True Wireless Stereo (TWS) pairing, with dynamic RGB lighting active.
5. Operating the Speaker
5.1 Playing Audio
- Bluetooth Mode: After successful pairing, audio from your connected device will play through the speaker.
- AUX-in Mode: Connect a 3.5mm audio cable from your device's headphone jack to the speaker's AUX-in port. The speaker will automatically switch to AUX mode.
- TF Card/USB Mode: Insert a TF card or USB flash drive into the respective port. The speaker will automatically detect and play audio files.
5.2 Controlling Playback
- Play/Pause: Press the Play/Pause button.
- Volume Adjustment: Short press the Volume Up or Volume Down buttons.
- Next/Previous Track: Long press the Volume Up button for the next track, and long press the Volume Down button for the previous track.
5.3 Managing Calls
With the built-in microphone, you can manage calls when connected via Bluetooth:
- Answer/End Call: Press the Play/Pause button.
- Reject Call: Press and hold the Play/Pause button.

Image: A woman using the Monster Prism Pro speaker for a hands-free call, demonstrating the built-in microphone feature.
5.4 RGB Lighting Modes
Press the Light Mode button to cycle through various dynamic RGB lighting effects. The lights can sync with the music or display static patterns.
6. Maintenance
6.1 Cleaning
Wipe the speaker with a soft, dry cloth. Do not use abrasive cleaners or solvents. Avoid exposing the speaker to excessive moisture.
6.2 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 to approximately 50% every few months to prolong battery life.
6.3 Battery Care
The speaker features a built-in rechargeable battery. To maximize its lifespan:
- Avoid fully discharging the battery frequently.
- Do not expose the speaker to temperatures above 60°C (140°F).
- Use only the provided charging cable.

Image: The Monster Prism Pro speaker depicted across various daily scenarios, illustrating its 24-hour battery life for continuous use.
7. Troubleshooting
If you encounter issues with your Monster Prism Pro speaker, refer to the following common problems and solutions:
| Problem | Solution |
|---|---|
| Speaker does not power on. | Ensure the battery is charged. Connect the speaker to a power source using the USB-C cable. |
| Cannot pair via Bluetooth. | Make sure the speaker is in pairing mode (flashing LED). Disable and re-enable Bluetooth on your device. Ensure no other devices are connected to the speaker. Move closer to the speaker. |
| No sound or low volume. | Check volume levels on both the speaker and your connected device. Ensure the correct input mode (Bluetooth, AUX, TF, USB) is selected. Check audio cables for AUX connection. |
| TWS pairing fails. | Ensure both speakers are powered on and not connected to any other Bluetooth device. Place speakers close to each other and try TWS pairing again. |
| RGB lights are not working. | Press the Light Mode button to cycle through modes. If unresponsive, power cycle the speaker. |
8. Specifications
| Feature | Detail |
|---|---|
| Model Name | Prism Pro |
| Brand | Monster |
| Speaker Output Power | 60 Watts |
| Connectivity Technology | Bluetooth 6.0, AUX, TF Card, USB |
| Audio Output Mode | Stereo, Surround |
| Battery Life | Up to 24 Hours (at 50% volume) |
| Product Dimensions | 32.4 x 14.2 x 19.6 cm |
| Weight | 1.69 kg |
| Additional Features | Portable, TWS Pairing, RGB Lights, Built-in Microphone |
9. Warranty and Support
Monster products are designed and manufactured to the highest quality standards. This product is covered by a limited warranty from the date of purchase. For detailed warranty information, 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 website or the contact information provided in your product documentation. Please have your product model and purchase date ready when contacting support.





