Introduction
Thank you for purchasing the Muse PARTY BOX M 1937 DJ Speaker System. This manual provides essential information for the safe and efficient operation of your device. Please read it thoroughly before use and retain it for future reference.
Important Safety Instructions
- Do not expose the unit to rain or moisture to prevent fire or electric shock.
- Ensure proper ventilation and do not block any ventilation openings.
- Only use attachments/accessories specified by the manufacturer.
- Protect the power cord from being walked on or pinched.
- Refer all servicing to qualified service personnel.
Package Contents
Verify that all items are present upon unboxing:
- Muse PARTY BOX M 1937 DJ Speaker System
- Wired Microphone
- Power Adapter (if applicable, for charging)
- User Manual
Product Overview
The Muse PARTY BOX M 1937 DJ is a portable speaker system designed for various audio applications, including party and karaoke use. It features Bluetooth 5.0 connectivity, multiple input options, and integrated LED lighting.

Figure 1: Front view of the Muse PARTY BOX M 1937 DJ Speaker System, showing the main unit and the wired microphone.
Setup
1. Charging the Battery
The speaker system is equipped with a rechargeable battery providing up to 10 hours of playtime. Before first use, fully charge the device.
- Connect the provided USB-C charging cable to the USB-C port on the speaker.
- Connect the other end of the cable to a suitable USB power adapter (not always included) or a powered USB port.
- The charging indicator will illuminate. Once fully charged, the indicator may change color or turn off.
2. Powering On/Off
Locate the power button on the control panel of the speaker.
- Press and hold the power button for a few seconds to turn the speaker ON.
- Repeat the action to turn the speaker OFF.
Operating Instructions
1. Bluetooth Connection
Connect your smartphone, tablet, or other Bluetooth-enabled device to the speaker wirelessly.
- Turn on the speaker. It will automatically enter Bluetooth pairing mode, indicated by a flashing LED.
- On your device, enable Bluetooth and search for available devices.
- Select "M-1937 DJ" from the list of devices.
- Once connected, a confirmation sound will be heard, and the LED indicator will stop flashing.

Figure 2: Key features including Bluetooth connectivity, LED lighting, auxiliary input, and dual microphone support.
2. Auxiliary Input
For devices without Bluetooth, use the auxiliary input.
- Connect a 3.5mm audio cable (not included) from your audio source's headphone jack to the AUX IN port on the speaker.
- The speaker will automatically switch to AUX mode or you may need to select it using the mode button.
3. USB and TF Card Playback
Play MP3 audio files directly from a USB drive or TF (microSD) card.
- Insert a USB 2.0 drive or a TF card (with MP3 files) into the respective port on the speaker.
- The speaker will automatically detect the storage device and begin playback.
- Use the control buttons (Play/Pause, Next/Previous) to manage playback.
4. Microphone Usage
The speaker supports two microphone inputs for karaoke or public address.
- Connect the wired microphone (included) to one of the microphone input jacks.
- Adjust the microphone volume using the dedicated knob on the control panel.
- The speaker features a voice-changing function; refer to the control panel for activation.
5. Light Effects
Enhance your audio experience with dynamic LED light effects.
- Press the dedicated light button on the control panel to cycle through different light modes or turn them off.
- The speaker features color-changing lights.
6. Sound Adjustments
Customize the audio output to your preference.
- Use the Bass Boost function for enhanced low frequencies.
- Adjust Bass and Treble levels using the corresponding controls on the speaker.
- The speaker supports stereo pairing for a wider soundstage (requires a second compatible speaker).

Figure 3: Overview of the speaker's functions, including display, sound adjustments, and input options.
Maintenance
Cleaning
To maintain the appearance and functionality of your speaker:
- Wipe the exterior surfaces with a soft, dry cloth.
- Do not use abrasive cleaners, waxes, or solvents.
- Ensure no liquids enter the speaker's openings.
Battery Care
- For optimal battery life, avoid fully discharging the battery frequently.
- If storing the speaker for an extended period, charge it to approximately 50% every few months.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Battery is depleted. | Charge the speaker using the USB-C cable. |
| No sound | Volume is too low or muted. Incorrect input source selected. | Increase volume. Press the mode button to select the correct input (Bluetooth, AUX, USB, TF). |
| Bluetooth connection fails | Speaker is not in pairing mode. Device is too far. Interference. | Ensure speaker is in pairing mode. Move device closer. Turn off other Bluetooth devices. |
| Microphone not working | Microphone not properly connected. Microphone volume is low. | Ensure microphone is fully plugged into the jack. Increase microphone volume knob. |
Specifications
| Feature | Detail |
|---|---|
| Model Number | M-1937 DJ |
| Brand | MUSE |
| Maximum Output Power | 600 Watts |
| Connectivity Technology | Bluetooth 5.0, Auxiliary (3.5mm), USB 2.0, TF Card |
| Inputs | 1x Auxiliary, 2x Microphone |
| Battery Playtime | Up to 10 hours |
| Special Features | LED Lights, Bass Boost, Stereo Pairing, Voice Changer, Portable |
| Control Method | Push Button |
| Dimensions (D x W x H) | 32 cm x 33 cm x 72.5 cm |
| Color | Black |
| Material | Plastic, Metal |
| Frequency Response | 15 KHz |
| Audio Output Mode | Mono |
| Mounting Type | Floor Mount |
| Compatible Devices | Laptop, Smartphone, Music Player, Computer |

Figure 4: Dimensional drawing of the speaker system, indicating height, width, and depth.
Warranty and Support
Warranty Information
This Muse PARTY BOX M 1937 DJ Speaker System comes with a three-year limited warranty against manufacturing defects. This warranty covers defects in materials and workmanship under normal use. It does not cover damage caused by misuse, accidents, unauthorized modifications, or normal wear and tear.
Customer Support
For technical assistance, warranty claims, or further inquiries, please refer to the contact information provided on the official MUSE website or your purchase documentation. Please have your model number (M-1937 DJ) and proof of purchase ready when contacting support.





